@article{UM_1992_0_4_a3,
     author = {Zden\v{e}k, Karel},
     title = {K perspektiv\v{e} v{\'\i}celet\'ych gymn\'azi{\'\i}},
     journal = {U\v{c}itel matematiky},
     pages = {9},
     year = {1992},
     volume = {0},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1992_0_4_a3/}
}