@article{MASLO_1956_6_3_a7, author = {Dubinsk\'y, Juraj}, title = {Zpr\'avy}, journal = {Mathematica slovaca}, pages = {193--196}, year = {1956}, volume = {6}, number = {3}, language = {sk}, url = {http://geodesic.mathdoc.fr/item/MASLO_1956_6_3_a7/} }