%0 Journal Article %A M. A. Lisitsyna %T Perfect $3$-colorings of prisms and M\"obius ladders %J Diskretnyj analiz i issledovanie operacij %D 2013 %P 28-36 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2013_20_1_a2/ %G ru %F DA_2013_20_1_a2