%0 Journal Article %A E. I. Ponomarenko %A A. M. Raigorodskii %T New Lower Bound for the Chromatic Number of a Rational Space with One and Two Forbidden Distances %J Matematičeskie zametki %D 2015 %P 255-261 %V 97 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2015_97_2_a7/ %G ru %F MZM_2015_97_2_a7