@article{MASLO_1973_23_4_a12,
     author = {Bos\'ak, Juraj},
     title = {Spr\'avy},
     journal = {Mathematica slovaca},
     pages = {388--390},
     year = {1973},
     volume = {23},
     number = {4},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1973_23_4_a12/}
}