@article{ARM_1976__12_2_a4,
     author = {Stan\v{e}k, Svatoslav},
     title = {On asymptotic properties of central dispersions of the $k$-th kind of $y''=q(t)y$, $k=1,2,3,4$},
     journal = {Archivum mathematicum},
     pages = {87--98},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1976},
     mrnumber = {0427745},
     zbl = {0355.34020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1976__12_2_a4/}
}