@article{107264, author = {Franti\v sek Neuman}, title = {Oscillatory behavior of iterative linear ordinary differential equations depends on their order}, journal = {Archivum Mathematicum}, volume = {022}, year = {1986}, pages = {187-192}, zbl = {0608.34036}, mrnumber = {868533}, language = {en}, url = {http://dml.mathdoc.fr/item/107264} }
Neuman, František. Oscillatory behavior of iterative linear ordinary differential equations depends on their order. Archivum Mathematicum, Tome 022 (1986) pp. 187-192. http://gdmltest.u-ga.fr/item/107264/
Linear Differential Transformations of the Second Order, The English Univ. Pгess, London 1971. (1971) | MR 0463539
On differential eąuations and the functions $J_{\mu}^2 + Y_{\mu}^2$, Amer. J. Math. 83 (1961), 154-188. (1961)
Die Iteration homogener linearen Differentialgleichungen, Publ. Fac. Sci. Univ. J. E. Puгkyně (Bгno) 449 (1964), 23-56. (1964) | MR 0196166
Geometrical approach to linear differential equations of the n-th order, Rend. Mat. 5 (1972), 579-602. (1972) | MR 0324141 | Zbl 0257.34029
On a class of linear differential equations of order n, $n \geq 3$, Časopis Pěst. Mat. 92 (1967), 247-261. (1967) | MR 0222390
Monotonic properties of zeros and extremants of the differential equation y'' + q(t)y = 0, Arch. Math. (Brno) 6 (1970), 37-73. (1970) | MR 0296420 | Zbl 0239.34014