@article{UM_1997_5_3_a1,
     author = {Ma\v{c}\'ak, Karel},
     title = {Geometrick\'e pojet{\'\i} pravd\v{e}podobnosti (1)},
     journal = {U\v{c}itel matematiky},
     pages = {137--142},
     year = {1997},
     volume = {5},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1997_5_3_a1/}
}