TY - JOUR AU - A. M. Sebel'din TI - Definability of vector groups by endomorphism semigroups JO - Algebra i logika PY - 1994 SP - 422 EP - 428 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1994_33_4_a4/ LA - ru ID - AL_1994_33_4_a4 ER -