@incollection{JEDP_1987____A17_0, author = {Shmuel Agmon}, title = {On the spectral theory of the laplacian on noncompact hyperbolic manifolds}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {17}, pages = {1--16}, publisher = {\'Ecole polytechnique}, year = {1987}, doi = {10.5802/jedp.338}, mrnumber = {89c:58128}, zbl = {0636.58037}, language = {en}, url = {https://proceedings.centre-mersenne.org/articles/10.5802/jedp.338/} }