@article{UM_1993_1_1_a13,
     author = {Odv\'arko, O.},
     title = {Objedn\'avejte, ale...!!!},
     journal = {U\v{c}itel matematiky},
     pages = {38},
     year = {1993},
     volume = {1},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1993_1_1_a13/}
}