@article{PMFA_1986_31_3_a5,
     author = {Zieleniecov\'a, Pavla},
     title = {\'Ustav pro v\'yzkum vzd\v{e}l\'av\'an{\'\i} v p\v{r}{\'\i}rodn{\'\i}ch v\v{e}d\'ach v {Kielu}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {174--177},
     year = {1986},
     volume = {31},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1986_31_3_a5/}
}