%0 Journal Article
%A L. San Martin
%T Nonreversibility of subsemigroups of semi-simple Lie groups.
%J Semigroup forum
%D 1992
%P 376-387
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1992__44_1_135162/
%F SF_1992__44_1_135162