@article{PMFA_1983_28_2_a1,
     author = {Filman, Robert E.},
     title = {Po\v{c}{\'\i}ta\v{c}e a \v{s}ach},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {71--77},
     year = {1983},
     volume = {28},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1983_28_2_a1/}
}