TY  - JOUR
AU  - Sönke Hansen
TI  - The Leading Singularity of Scattering Kernel for a Transparent Obstacle.
JO  - Mathematische Annalen
PY  - 1987
SP  - 125
EP  - 140
VL  - 279
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164311/
ID  - MAN_1987__279_3_164311
ER  -