@misc{PMFA_1988__33_6_a2,
     title = {Martin {\v{C}ernohorsk\'y} o\v{c}ima sv\'ych \v{z}\'ak\r{u}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {326--331},
     publisher = {mathdoc},
     volume = {33},
     number = {6},
     year = {1988},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1988__33_6_a2/}
}