@article{10_21136_CPMF_1949_109146,
     author = {Kade\v{r}\'avek, Franti\v{s}ek},
     title = {P\v{r}{\'\i}sp\v{e}vek k \v{r}e\v{s}en{\'\i} ov\'alu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {70--D73},
     year = {1949},
     volume = {74},
     number = {1},
     doi = {10.21136/CPMF.1949.109146},
     zbl = {0032.43101},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1949.109146/}
}