@article{10_21136_CMJ_1977_101502,
     author = {Stan\v{e}k, Svatoslav},
     title = {Asymptotic properties of derivatives of central dispersions of the $k$-th kind for the differential equation $y''=q(t)y$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {644--662},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {1977},
     doi = {10.21136/CMJ.1977.101502},
     mrnumber = {0460794},
     zbl = {0402.34020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101502/}
}