@article{PMFA_1963_8_3_a3,
     author = {Du\v{s}ek, Franti\v{s}ek},
     title = {K problematice matematick\'eho \v{s}koln{\'\i}ho filmu},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {145--153},
     year = {1963},
     volume = {8},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1963_8_3_a3/}
}