@article{10_21136_CPM_1962_117430,
     author = {Veselsk\'y, Bohumil},
     title = {O orthocentrick\'e p\v{r}{\'\i}mce \v{c}tyrstranu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {257--262},
     publisher = {mathdoc},
     volume = {087},
     number = {3},
     year = {1962},
     doi = {10.21136/CPM.1962.117430},
     mrnumber = {0180896},
     zbl = {0111.17606},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1962.117430/}
}