@article{10_21136_CPM_1968_108580,
     author = {Pudej, Vratislav},
     title = {O vlastnostech \v{r}e\v{s}en{\'\i} diferenci\'aln{\'\i} rovnice $y^{(4)} +p(x) y''+q(x) y = 0$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {201--216},
     publisher = {mathdoc},
     volume = {093},
     number = {2},
     year = {1968},
     doi = {10.21136/CPM.1968.108580},
     mrnumber = {0235204},
     zbl = {0155.12602},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1968.108580/}
}