TY - JOUR AU - M. I. Kanovich TI - Constructibility of the logic of computational problems JO - Doklady Akademii Nauk PY - 1988 SP - 530 EP - 535 VL - 302 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_302_3_a3/ LA - ru ID - DAN_1988_302_3_a3 ER -