@article{10_21136_CPM_1957_117271,
     author = {R\'ab, Milo\v{s}},
     title = {Pozn\'amka k ot\'azce o oscila\v{c}n{\'\i}ch vlastnostech \v{r}e\v{s}en{\'\i} diferenci\'aln{\'\i} rovnice $y''+ A(x)y = 0$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {342--348},
     year = {1957},
     volume = {82},
     number = {3},
     doi = {10.21136/CPM.1957.117271},
     mrnumber = {0094507},
     zbl = {0105.06702},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1957.117271/}
}