@article{UM_2000_8_1_a5,
     author = {Da\v{n}helkov\'a, Jana and Jirotkov\'a, Darina},
     title = {Nejen hrav\'e u\v{c}en{\'\i}},
     journal = {U\v{c}itel matematiky},
     pages = {44--53},
     year = {2000},
     volume = {8},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2000_8_1_a5/}
}