%0 Journal Article %A Niels Vigand Pedersen %T Semicharacters and Solvable Lie Croups. %J Mathematische Annalen %D 1980 %P 191-244 %V 247 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1980__247_163360/ %F MAN_1980__247_163360