%0 Journal Article %A Peter Buser %A Gilles Courtois %T Finite parts of the spectrum of a Riemann surface. %J Mathematische Annalen %D 1990 %P 523-530 %V 287 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164702/ %F MAN_1990__287_1_164702