@article{120082, author = {Stan\v ek, Svatoslav}, title = {On the properties of the fundamental dispersions of the equation $y'=lambda q(t)y$}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {18}, year = {1979}, pages = {51-58}, zbl = {0438.34023}, mrnumber = {0589847}, language = {en}, url = {http://dml.mathdoc.fr/item/120082} }
Staněk, Svatoslav. On the properties of the fundamental dispersions of the equation $y'=lambda q(t)y$. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 18 (1979) pp. 51-58. http://gdmltest.u-ga.fr/item/120082/
Linear Differential Transformations of the Second Order, The English Univ. Press, London 1971. (1971) | MR 0463539
Теория глобальных свойств обыкновенных линейных дифференциальных уравнений второго порядка, Дифференциальные уравнения, No 8, XII, 1976, 1347-1383. (1976) | Zbl 1170.01332
A generalized Sturm comparison theorem and oscillation coefficients, Monatsh. Math. 73 (1969), 207-212. (1969) | MR 0244561 | Zbl 0182.12301
Oscillations and disconjugacy for linear differential equations with almost periodic coefficients, Acta Math. 96 (1956), 99-123. (1956) | MR 0080813
Note on the second phase of the differential equation $y" = q(t)y$, Arch. Math. (Brno), 2 (1966), 57-62. (1966) | MR 0203127
A note on the oscillation of solutions of the differential equation $y" = q(t)y$ with a periodic coefficient, Czechoslovak Math. J. 29 (104), 1979, 318-323. (1979) | MR 0529519
Comparison and Oscillation Theory of Linear Differential Equations, Academic Press New York and London 1968. (1968) | MR 0463570 | Zbl 0191.09904