@article{GDZPPN002330172,
title = {The Leading Singularity of Scattering Kernel for a Transparent Obstacle.},
journal = {Mathematische Annalen},
volume = {277},
year = {1987},
pages = {125-140},
zbl = {0609.35071},
url = {http://dml.mathdoc.fr/item/GDZPPN002330172}
}
Hansen, Sönke. The Leading Singularity of Scattering Kernel for a Transparent Obstacle.. Mathematische Annalen, Tome 277 (1987) pp. 125-140. http://gdmltest.u-ga.fr/item/GDZPPN002330172/