@article{10_21136_CPMF_1927_109051,
     author = {Klapka, Ji\v{r}{\'\i}},
     title = {O kubick\'ych syst\'emech ku\v{z}elose\v{c}ek se spole\v{c}nou norm\'alou},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {175--192},
     year = {1927},
     volume = {56},
     number = {3},
     doi = {10.21136/CPMF.1927.109051},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1927.109051/}
}