@article{UM_1993_1_1_a18,
     author = {Be\v{c}v\'a\v{r}, J.},
     title = {Letn{\'\i} \v{s}kola z d\v{e}jin matematiky},
     journal = {U\v{c}itel matematiky},
     pages = {45--46},
     year = {1993},
     volume = {1},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1993_1_1_a18/}
}