@article{10_21136_CPM_1974_117850,
     author = {Vitner, \v{C}estm{\'\i}r and Matyska, Ji\v{r}{\'\i}},
     title = {Za docentem {Karlem} {\v{C}ern\'ym}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {321--323},
     publisher = {mathdoc},
     volume = {099},
     number = {3},
     year = {1974},
     doi = {10.21136/CPM.1974.117850},
     mrnumber = {0347533},
     zbl = {0287.01018},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1974.117850/}
}