@article{PMFA_1956_1_5-6_a16,
     author = {Zelen\'y, Franti\v{s}ek},
     title = {Hlukov\'e pom\v{e}ry hlavn{\'\i}ho m\v{e}sta {Prahy}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {671--691},
     year = {1956},
     volume = {1},
     number = {5-6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1956_1_5-6_a16/}
}