%0 Journal Article
%A B. I. Zil'ber
%T Isomorphism and elementary equivalence of commutative semigroups
%J Algebra i logika
%D 1970
%P 667-671
%V 9
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1970_9_6_a5/
%G ru
%F AL_1970_9_6_a5