TY - JOUR AU - S. Yu. Maslov TI - An inverse method of establishing deducibility in the classical predicate calculus JO - Doklady Akademii Nauk PY - 1964 SP - 17 EP - 20 VL - 159 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_159_1_a2/ LA - ru ID - DAN_1964_159_1_a2 ER -