TY - JOUR AU - E. A. Palyutin TI - Elimination of quantifiers in Horn theories with a small JO - Algebra i logika PY - 1991 SP - 513 EP - 516 VL - 30 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1991_30_5_a0/ LA - ru ID - AL_1991_30_5_a0 ER -