%0 Journal Article %A Edward, Julian %T Spectral Theory for the Neumann Laplacian on Planar Domains With Horn-Like Ends %J Canadian journal of mathematics %D 1997 %P 232-262 %V 49 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-012-8/ %R 10.4153/CJM-1997-012-8 %F 10_4153_CJM_1997_012_8