%0 Journal Article %A Znám, Štefan %T Equivalence of a Number-Theoretical Problem with a Problem from the Graph Theory %J Mathematica slovaca %D 1967 %P 240-241 %V 17 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1967__17_3_a4/ %G en %F MASLO_1967__17_3_a4