@article{UM_2001_9_4_a1,
     author = {\v{C}ih\'ak, Michal},
     title = {Uk\'azka vyu\v{z}it{\'\i} po\v{c}{\'\i}ta\v{c}\r{u} p\v{r}i v\'yuce pravd\v{e}podobnosti na gymn\'aziu (2)},
     journal = {U\v{c}itel matematiky},
     pages = {200--210},
     year = {2001},
     volume = {9},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2001_9_4_a1/}
}