@article{10_21136_CPM_1952_117038,
     author = {Bor\r{u}vka, Otakar},
     title = {Nov\'e vlastnosti line\'arn{\'\i}ch diferenci\'aln{\'\i}ch rovnic 2. \v{r}\'adu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {315--316},
     publisher = {mathdoc},
     volume = {077},
     number = {3},
     year = {1952},
     doi = {10.21136/CPM.1952.117038},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1952.117038/}
}