@article{10_21136_CPM_1954_117114,
     author = {\v{C}erm\'ak, Ji\v{r}{\'\i}},
     title = {O syst\'emech line\'arn{\'\i}ch diferen\v{c}n{\'\i}ch rovnic s periodick\'ymi koeficienty},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {141--150},
     publisher = {mathdoc},
     volume = {079},
     number = {2},
     year = {1954},
     doi = {10.21136/CPM.1954.117114},
     mrnumber = {0070846},
     zbl = {0059.07803},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1954.117114/}
}