@article{GDZPPN002311798, title = {Cusp Forms and the Index Theorem for Manif olds with Boundary.}, journal = {Mathematische Annalen}, volume = {217}, year = {1975}, pages = {221-228}, zbl = {0295.58013}, url = {http://dml.mathdoc.fr/item/GDZPPN002311798} }
Hemperly, J.C. Cusp Forms and the Index Theorem for Manif olds with Boundary.. Mathematische Annalen, Tome 217 (1975) pp. 221-228. http://gdmltest.u-ga.fr/item/GDZPPN002311798/