@article{PMFA_1967__12_4_a8,
     author = {Joz{\'\i}fek, V{\'\i}t\v{e}zslav and Kraemer, Emil and Zemek, M.},
     title = {\v{Z}ivotn{\'\i} jubileum doc. {Franti\v{s}ka} {Du\v{s}ka}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {1967},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1967__12_4_a8/}
}