@article{PMFA_1977_22_2_a3,
     author = {Vy\v{s}{\'\i}n, Jan},
     title = {N\'am\v{e}t do diskuse},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {100--102},
     year = {1977},
     volume = {22},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1977_22_2_a3/}
}