%0 Journal Article %A A. G. Ramm %T On the Relation between the $S$-matrix and the Spectrum of the Interior Laplacian %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2009 %P 181-188 %V 57 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba57-2-11/ %R 10.4064/ba57-2-11 %G en %F 10_4064_ba57_2_11