@article{PMFA_1991_36_1_a4,
     author = {Velichov\'a, Daniela},
     title = {Geometria {(Esej)}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {50--53},
     year = {1991},
     volume = {36},
     number = {1},
     mrnumber = {1132655},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1991_36_1_a4/}
}