TY - JOUR AU - V. A. Kyrov TI - Functional equations in pseudo-Euclidean geometry JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2010 SP - 38 EP - 51 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2010_13_4_a3/ LA - ru ID - SJIM_2010_13_4_a3 ER -