TY - JOUR AU - R. M. Garipov TI - Crystallographic classes in a~4-dimensional Minkovskii space JO - Algebra i logika PY - 2008 SP - 31 EP - 53 VL - 47 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2008_47_1_a1/ LA - ru ID - AL_2008_47_1_a1 ER -