%0 Journal Article
%A Paul Schmutz
%T Small eigenvalues on Y-pieces and on Riemann surfaces.
%J Commentarii mathematici Helvetici
%D 1990
%P 603-614
%V 65
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140215/
%F CMH_1990__65_3_140215