bwmeta1.element.bwnjournal-journal-apm, Tome 23 (1970)

Sommaire

On integrable bounds for differential equations

p. 1-7

The Polish Digital Mathematics Library

On a certain property of solution of the equation

u_{t} = u_{x x} + f (x, t, u)

Z. Knap

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p. 1-5

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A functional-analytic approach to turbulent convection

B. Szafirski

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p. 7-24

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Continuous solutions of some functional equations in the indeterminate case

D. Czaja-Pośpiech ; M. Kuczma

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p. 9-20

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On the continuous dependence of local analytic solutions of a functional equation on given functions

J. Matkowski

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p. 21-26

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Sur l'existence d'une solution périodique d'une équation différentielle du premier ordre avec le paramètre retardeé

Z. Mikołajska

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p. 25-36

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Sur les comitantes algébriques des objets géométriques non transitifs

E. Siwek

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p. 27-33

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On the stability of the functional equation of the first order

Erwin Turdza

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p. 35-38

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On the continuous dependence of solutions of a functional equation on given functions

J. Matkowski

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p. 37-40

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Local analytic solutions of the functional equation

Φ (z) = H (z; Φ [f_{1} (z)], . . ., Φ [f_{m} (z)])

Wilhelmina Smajdor

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p. 39-43

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Smoothness of solutions for a system of first order non-linear partial differential equations

S. Bal

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p. 41-48

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Kovariante Ableitung der Tensordichten

M. Kucharzewski

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p. 45-52

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The radius of p-valent starlikeness for certain classes of analytic functions

Donald J. Wright

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p. 49-55

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Une remarque sur la méthode des approximations successives dans la recherche des solutions périodiques des équations différentielles à paramètre retardé

Z. Mikołajska

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p. 55-64

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On the behavior of solutions of parbolic equations with unbounded coefficients

T. Kuroda ; L. S. Chen

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p. 57-64

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Limitation des coefficients dans une famille de fonctions holomorphes dans le cercle |z| < 1

Wiesław Plaskota

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p. 65-70

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On a generalization of the functional equation for the harmonic ratio of four points on a projective line over an arbitrary commutative field

S. Topa

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p. 65-72

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Scalar differential concomitants of the second order of the metrical tensor in three-dimensional Riemann spaces

M. Lorens

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p. 71-76

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On a certain class of functions whose derivatives have a positive real part in the unit disc

K. S. Padmanabhan

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p. 73-81

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Linear problems for systems of difference equations

Zdzisław Denkowski

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p. 77-86

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On the partial sums of certain analytic functions in the unit disc

K. S. Padmanabhan

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p. 83-92

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The boundary value problems for ordinary non-linear differential and difference equations of the fourth order

Zdzisław Denkowski

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p. 87-102

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A generalization of Hermite collineation to the n-dimensional space

J. Kaczmarek

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p. 93-104

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On a fixed-point theorem of Banach type

Jochen Reinermann

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p. 105-107

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Certain formulas associated with generalized Rice polynomials

H. M. Srivastava

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p. 109-115

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Über die Eindeutigkeitsbedingung von Krasnoselskii-Kreǐn bei hyperbolischen Differentialgleichungen

Wolfgang Walter

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p. 117-124

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Some expansion theorems for the H-function

P. Skibiński

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p. 125-138

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Characterization of some tensor concomitants of the metric tensor and vector fields under restricted groups of transformations

M. A. McKiernan ; H. Richards

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p. 139-149

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Value distribution of regular functions of two complex variables

B. G. Eke

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p. 151-158

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Extremal problems for a family of functions with positive real part and for some related families

W. Janowski

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p. 159-177

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Errata (vol. XXIII, fasc. 2)

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p. 178

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On extending the theory of Cesàro summability

Marvin Barsky

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p. 179-200

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On osculating spheres to rectifiable curves

R. Krasnodębski

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p. 201-214

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On generalizations of pseudo-harmonic and pseudo-Killing vectors

Muralidhar Prasad ; K. D. Singh

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p. 215-225

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A relation between Mellin transform and Weyl (fractional) integral of two variables

N. C. Jain

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p. 225-257

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An analogue of a problem of J. Balázs and P. Turán, II (Inequalities)

A. K. Varma ; J. Prasad

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p. 227-245

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Symmetric derivative of nowhere monotone functions, I

N. K. Kundu ; S. N. Mukhopadhyay

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p. 247-253

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Errata (vol. XXII, fasc. 2)

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p. 254

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On integro-differential equations of parabolic and elliptic type

H. Ugowski

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p. 255-275

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Approximation and interpolation of entire functions

T. Winiarski

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p. 259-273

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Über Differentialkomitanten der linearen Übertragungen

M. Lorens

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p. 275-279

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On a certain transformation of complex series

B. Jasek

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p. 277-289

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A continuation theorem for holomorphic mapping into a Hilbert space

M. Skwarczyński

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p. 281-284

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On the maximum term of a class of integral functions and its derivatives

M. K. Sen

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p. 291-298

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On a system of difference inequalities of parabolic type

A. Fitzke

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p. 299-302

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On meromorphic solutions of a functional equation

J. Matkowski

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p. 303-311

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A relation between Laplace and Stieltjes transforms of two variables

N. C. Jain

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p. 313-315

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A convergence proof of a difference scheme for a parabolic system

A. Fitzke

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p. 317-321

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Les propriétés des solutions non négatives d'un système parabolique d'équations

J. Chabrowski

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p. 323-331

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Sur un problème de S. Gołąb

K. Radziszewski

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p. 333-340

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Über eine spezielle Form des Maximumprinzips für holomorphe Funktionen in Zusammenhang mit einem Satz von Rossberg

W. Tutschke

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p. 341-343

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Über Differentialkomitanten erster Ordnung von kovarianten Vektorfelder

I. Makai

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p. 345-349

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On a generalization of the convolution

E. Gesztelyi

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p. 351-358

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Краевые задачи для систем линейных многомерных разностных уравнений

Зенон Шода

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p. 359-369

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A generalization of the Haruki functional equation

H. Światak

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p. 371-376

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