@article{IM_1994__116_1-3_144201,
     author = {T.A. Springer},
     title = {A generalization of the orthogonality relations of {Green} functions.},
     journal = {Inventiones mathematicae},
     pages = {601--618},
     publisher = {mathdoc},
     volume = {116},
     number = {1-3},
     year = {1994},
     zbl = {0818.20013},
     url = {http://geodesic.mathdoc.fr/item/IM_1994__116_1-3_144201/}
}