TY - JOUR AU - A. M. Magomedov TI - Bipartite ${(6,3)}_6$-biregular graphs which do not allow interval coloring JO - Daghestan Electronic Mathematical Reports PY - 2014 SP - 71 EP - 78 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DEMR_2014_1_a2/ LA - ru ID - DEMR_2014_1_a2 ER -