@article{MASLO_1959_9_3_a6,
     author = {Kr\v{n}an, F.},
     title = {Zpr\'avy},
     journal = {Mathematica slovaca},
     pages = {189--190},
     year = {1959},
     volume = {9},
     number = {3},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1959_9_3_a6/}
}