@article{MASLO_1954_4_1_a4,
     author = {\'Ulehla, Ivan},
     title = {Zpr\'avy},
     journal = {Mathematica slovaca},
     pages = {43},
     year = {1954},
     volume = {4},
     number = {1},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1954_4_1_a4/}
}