@article{UM_1992_0_4_a18,
     author = {Koman, Milan},
     title = {PGS pro u\v{c}itele matematiky?},
     journal = {U\v{c}itel matematiky},
     pages = {27},
     year = {1992},
     volume = {0},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1992_0_4_a18/}
}