@misc{10_21136_CPM_1961_108201,
     title = {Zpr\'avy},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {253--260},
     year = {1961},
     volume = {86},
     number = {2},
     doi = {10.21136/CPM.1961.108201},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1961.108201/}
}