%0 Journal Article %A È. A. Loginov %T On regular three-color coloring %J Doklady Akademii Nauk %D 1965 %P 569-572 %V 163 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_3_a7/ %G ru %F DAN_1965_163_3_a7