TY - JOUR AU - E. A. Palyutin TI - Boolean algebras that have a categorical theory in weak second JO - Algebra i logika PY - 1971 SP - 523 EP - 534 VL - 10 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1971_10_5_a3/ LA - ru ID - AL_1971_10_5_a3 ER -