@article{10_21136_CPMF_1950_122350,
     author = {Seitz, Ji\v{r}{\'\i}},
     title = {O jednom probl\'emu prof. {\v{C}echa}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {43--44},
     publisher = {mathdoc},
     volume = {75},
     number = {1},
     year = {1950},
     doi = {10.21136/CPMF.1950.122350},
     mrnumber = {0035981},
     zbl = {0035.38501},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1950.122350/}
}