@article{UM_1994_2_4_a12,
     author = {Jedin\'ak, Du\v{s}an},
     title = {Co je matematika? (n\v{e}kolik lidsk\'ych definic{\'\i} matematiky)},
     journal = {U\v{c}itel matematiky},
     pages = {48--50},
     year = {1994},
     volume = {2},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1994_2_4_a12/}
}