@article{120025, author = {Miroslav Bartu\v sek}, title = {On relations among dispersions of an oscillatory differential equation $y''=q(t)y$}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {13}, year = {1973}, pages = {55-61}, zbl = {0298.34027}, mrnumber = {0364750}, language = {en}, url = {http://dml.mathdoc.fr/item/120025} }
Bartušek, Miroslav. On relations among dispersions of an oscillatory differential equation $y''=q(t)y$. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 13 (1973) pp. 55-61. http://gdmltest.u-ga.fr/item/120025/
O rozložení nulových bodů řešení lin. dif. rovnice y" = q(t) y a jejích derivací, Acta Fac. Nat. Univ. Comenian. V, 8-10. | MR 1286720
Lineare Differentialtransformationen 2. Ordnung, VEB Berlin 1967. (1967)
Coвnaдeниe центральныx дисперсий 1-гo и 2-гo poдa, соответствующих дифф. уров. второго порядка y" = g(x)y, Czech. Math. J., 6, (81) (1956), 365-380. (1956)