@article{MASLO_1967_17_3_a4, author = {Zn\'am, \v{S}tefan}, title = {Equivalence of a {Number-Theoretical} {Problem} with a {Problem} from the {Graph} {Theory}}, journal = {Mathematica slovaca}, pages = {240--241}, year = {1967}, volume = {17}, number = {3}, mrnumber = {0221983}, zbl = {0171.00606}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1967_17_3_a4/} }