TY - JOUR AU - E. I. Ponomarenko AU - A. M. Raigorodskii TI - New Lower Bound for the Chromatic Number of a Rational Space with One and Two Forbidden Distances JO - Matematičeskie zametki PY - 2015 SP - 255 EP - 261 VL - 97 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2015_97_2_a7/ LA - ru ID - MZM_2015_97_2_a7 ER -