%0 Journal Article %A I. Chon %T Weakly commutative Lie semigroups. %J Semigroup forum %D 1990 %P 339-356 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1990__41_2_135058/ %F SF_1990__41_2_135058