@misc{10_21136_CPMF_1949_109151,
     title = {Zpr\'avy},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {81--D86},
     year = {1949},
     volume = {74},
     number = {1},
     doi = {10.21136/CPMF.1949.109151},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1949.109151/}
}