@article{DA_2013_20_1_a2,
     author = {M. A. Lisitsyna},
     title = {Perfect $3$-colorings of prisms and {M\"obius} ladders},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {28--36},
     year = {2013},
     volume = {20},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2013_20_1_a2/}
}