@article{10_21136_CPM_1966_117543,
     author = {Kowalski, Old\v{r}ich and Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich},
     title = {O charakterech \v{r}et\v{e}zc\r{u}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {1--3},
     publisher = {mathdoc},
     volume = {091},
     number = {1},
     year = {1966},
     doi = {10.21136/CPM.1966.117543},
     mrnumber = {0190043},
     zbl = {0141.00902},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1966.117543/}
}