TY - JOUR AU - A. M. Yakubovich TI - Variants of the axiom of choice in the simple theory of types JO - Matematičeskie zametki PY - 1981 SP - 269 EP - 276 VL - 30 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_30_2_a13/ LA - ru ID - MZM_1981_30_2_a13 ER -