@article{UM_2002__10_3_a5,
     author = {Calda, Emil},
     title = {Probl\'em obrazov\'e galerie},
     journal = {U\v{c}itel matematiky},
     pages = {182--186},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {2002},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2002__10_3_a5/}
}