TY - JOUR AU - T. G. Mustafin TI - On the number of countable models of a countable complete JO - Algebra i logika PY - 1981 SP - 69 EP - 91 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1981_20_1_a5/ LA - ru ID - AL_1981_20_1_a5 ER -