@article{MASLO_1953_3_3-4_a0,
     author = {Ivan, J\'an},
     title = {O direktnom s\'u\v{c}ine pologr\'up},
     journal = {Mathematica slovaca},
     pages = {57--66},
     year = {1953},
     volume = {3},
     number = {3-4},
     mrnumber = {0062733},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1953_3_3-4_a0/}
}