TY - JOUR TI - To the 70th birthday of Professor Mukhtarbai Otelbaev JO - Eurasian mathematical journal PY - 2012 SP - 5 EP - 11 VL - 3 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2012_3_2_a0/ LA - en ID - EMJ_2012_3_2_a0 ER -