@article{PMFA_1958_3_3_a4,
     author = {Sedl\'a\v{c}ek, Ji\v{r}{\'\i}},
     title = {O konstrukc{\'\i}ch orientovan\'ych graf\r{u}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {273--276},
     year = {1958},
     volume = {3},
     number = {3},
     zbl = {0085.37902},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1958_3_3_a4/}
}