@article{PMFA_1989_34_5_a6,
     author = {Kvasnica, Josef},
     title = {Mus{\'\i} se u\v{c}ebnice podb{\'\i}zet t\v{e}m, jim\v{z} nen{\'\i} ur\v{c}ena?},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {284--285},
     year = {1989},
     volume = {34},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1989_34_5_a6/}
}