@article{10_21136_CPM_1953_108702,
     author = {R\'enyi, Alfred},
     title = {Pozn\'amka o \'uhlech mnoho\'uheln{\'\i}ka},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {305--306},
     publisher = {mathdoc},
     volume = {078},
     number = {4},
     year = {1953},
     doi = {10.21136/CPM.1953.108702},
     mrnumber = {0066655},
     zbl = {0053.42001},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1953.108702/}
}