@misc{PMFA_1960__5_5_a7,
     title = {Profesor {Karel} {Petr} [fotografie]},
     journal = {Pokroky matematiky, fyziky a astronomie},
     publisher = {mathdoc},
     volume = {05},
     number = {5},
     year = {1960},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1960__5_5_a7/}
}