%0 Journal Article %A F. Leitenberger %T Triangular Lie Bi-Algebras and Matched Pairs for Lie Algebras of Real Vector Fields on S1 %J Journal of Lie Theory %D 1994 %P 237-256 %V 4 %N 2 %U http://geodesic.mathdoc.fr/item/JOLT_1994_4_2_a2/ %F JOLT_1994_4_2_a2