@article{AUPO_1981__20_1_a11,
     author = {Stan\v{e}k, Svatoslav},
     title = {On the generalized {Floquet} theory of disconjugate differential equations $y'' = q(t) y$},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {101--115},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1981},
     mrnumber = {0645893},
     zbl = {0491.34038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1981__20_1_a11/}
}