@article{UM_1994_2_4_a2,
     author = {Zitkov\'a, Z.},
     title = {Matematika na gymn\'azi{\'\i}ch},
     journal = {U\v{c}itel matematiky},
     pages = {13--14},
     year = {1994},
     volume = {2},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1994_2_4_a2/}
}