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@article{MAN_1987__279_3_164311, author = {S\"onke Hansen}, title = {The {Leading} {Singularity} of {Scattering} {Kernel} for a {Transparent} {Obstacle.}}, journal = {Mathematische Annalen}, pages = {125--140}, publisher = {mathdoc}, volume = {279}, number = {3}, year = {1987}, zbl = {0609.35071}, url = {http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164311/} }
Sönke Hansen. The Leading Singularity of Scattering Kernel for a Transparent Obstacle.. Mathematische Annalen, Tome 279 (1987) no. 3, pp. 125-140. http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164311/