@article{10_21136_CPMF_1920_121751,
     author = {Petr, Karel},
     title = {P\v{r}{\'\i}klad funkce spojit\'e nemaj{\'\i}c{\'\i} v \v{z}\'adn\'em bod\v{e} derivace},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {25--31},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1920},
     doi = {10.21136/CPMF.1920.121751},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1920.121751/}
}