@article{UM_1998__6_1_a13,
     author = {\v{S}arounov\'a, Alena},
     title = {Sedm\'a letn{\'\i} \v{s}kola v p\v{r}{\'\i}rod\v{e}},
     journal = {U\v{c}itel matematiky},
     pages = {53--55},
     publisher = {mathdoc},
     volume = {06},
     number = {1},
     year = {1998},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_1998__6_1_a13/}
}