@article{GMJ_1995__2_3_47300,
     author = {Do\v{s}l\'y, Ond\v{r}ej and Osi\v{c}ka, Jan},
     title = {Kneser-type oscillation criteria for selfadjoint two-term differential equations.},
     journal = {Georgian Mathematical Journal},
     pages = {241--258},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1995},
     zbl = {0827.34019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1995__2_3_47300/}
}