@article{UM_1995_3_2_a11,
     author = {Calda, Emil},
     title = {Semin\'a\v{r} o didaktice matematiky a matematice},
     journal = {U\v{c}itel matematiky},
     pages = {48},
     year = {1995},
     volume = {3},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1995_3_2_a11/}
}