%0 Journal Article
%A T. Tamura
%T Finite union of commutative power joined semigroups.
%J Semigroup forum
%D 1970
%P 75-84
%V 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1970__1_133779/
%F SF_1970__1_133779