TY - JOUR AU - A. T. Nurtazin TI - Countable infinite existentially closed models of universally axiomatizable theories JO - Matematičeskie trudy PY - 2015 SP - 48 EP - 97 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_2015_18_1_a3/ LA - ru ID - MT_2015_18_1_a3 ER -