%0 Journal Article %A N. Dörr %T On irreducible sl (2, R) - modules and sl 2-triples. %J Semigroup forum %D 1990 %P 239-246 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1990__40_1_135022/ %F SF_1990__40_1_135022