TY - JOUR AU - Yu. G. Ventsov TI - A problem on the effective choice of constructivizations, and JO - Algebra i logika PY - 1992 SP - 3 EP - 20 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1992_31_1_a0/ LA - ru ID - AL_1992_31_1_a0 ER -