TY - JOUR AU - E. A. Zakhryamin TI - Semigroups of bounded residue in ultraproducts of finite JO - Algebra i logika PY - 1997 SP - 531 EP - 542 VL - 36 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1997_36_5_a3/ LA - ru ID - AL_1997_36_5_a3 ER -