@article{10_21136_CPMF_1939_109439,
     author = {Koutsk\'y, Karel},
     title = {O odd\v{e}lenosti mno\v{z}in v topologick\'ych prostorech},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {81--84},
     publisher = {mathdoc},
     volume = {68},
     number = {3-4},
     year = {1939},
     doi = {10.21136/CPMF.1939.109439},
     zbl = {0021.11205},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1939.109439/}
}