@article{10_21136_CPM_1955_108219,
     author = {Kosm\'ak, Ladislav},
     title = {Charakterisace t\v{e}tivov\'ych a te\v{c}nov\'ych mnoho\'uheln{\'\i}k\r{u}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {454--461},
     year = {1955},
     volume = {80},
     number = {4},
     doi = {10.21136/CPM.1955.108219},
     mrnumber = {0089422},
     zbl = {0068.33606},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1955.108219/}
}