no. 4
On an inverse problem in potential scattering theory
Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 8 (1968) no. 4, pp. 339-447. 
@article{AIHPA_1968__8_4_339_0,
     author = {Loeffel, Jean-Jacques},
     title = {On an inverse problem in potential scattering theory},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {339--447},
     publisher = {Gauthier-Villars},
     volume = {8},
     number = {4},
     year = {1968},
     mrnumber = {237152},
     zbl = {0159.59804},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1968__8_4_339_0/}
}
TY  - JOUR
AU  - Loeffel, Jean-Jacques
TI  - On an inverse problem in potential scattering theory
JO  - Annales de l'institut Henri Poincaré. Section A, Physique Théorique
PY  - 1968
SP  - 339
EP  - 447
VL  - 8
IS  - 4
PB  - Gauthier-Villars
UR  - http://archive.numdam.org/item/AIHPA_1968__8_4_339_0/
LA  - en
ID  - AIHPA_1968__8_4_339_0
ER  - 
%0 Journal Article
%A Loeffel, Jean-Jacques
%T On an inverse problem in potential scattering theory
%J Annales de l'institut Henri Poincaré. Section A, Physique Théorique
%D 1968
%P 339-447
%V 8
%N 4
%I Gauthier-Villars
%U http://archive.numdam.org/item/AIHPA_1968__8_4_339_0/
%G en
%F AIHPA_1968__8_4_339_0
Loeffel, Jean-Jacques. On an inverse problem in potential scattering theory. Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 8 (1968) no. 4, pp. 339-447. http://archive.numdam.org/item/AIHPA_1968__8_4_339_0/