%0 Journal Article %A A. V. Pyatkin %T On the $(1,1)$-coloring of incidentors of multigraphs of degree 4 %J Diskretnyj analiz i issledovanie operacij %D 2004 %P 59-62 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2004_11_3_a4/ %G ru %F DA_2004_11_3_a4