@article{PMFA_1958__3_1_a4,
     author = {Pi\v{s}l, Milan},
     title = {Cirkul\'arn{\'\i} kubiky a bicirkul\'arni kvartiky},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {32--41},
     publisher = {mathdoc},
     volume = {03},
     number = {1},
     year = {1958},
     zbl = {0081.15104},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1958__3_1_a4/}
}