@article{AIHPA_1989__51_1_81_0,
     author = {G\'erard, Christian and Martinez, Andr\'e},
     title = {Prolongement m\'eromorphe de la matrice de scattering pour des probl\`emes \`a deux corps \`a longue port\'ee},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {81--110},
     publisher = {Gauthier-Villars},
     volume = {51},
     number = {1},
     year = {1989},
     mrnumber = {1029851},
     zbl = {0711.35097},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1989__51_1_81_0/}
}