%0 Journal Article %A A. M. Sebel'din %T Definability of vector groups by endomorphism semigroups %J Algebra i logika %D 1994 %P 422-428 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1994_33_4_a4/ %G ru %F AL_1994_33_4_a4