@article{AIHPA_1967__6_3_255_0, author = {Bourrely, C.}, title = {Nouvelles consid\'erations sur le mod\`ele statique. {II.} - {Application} \`a la diffusion $\pi $ - {N} en ondes {P}}, journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique}, pages = {255--265}, publisher = {Gauthier-Villars}, volume = {6}, number = {3}, year = {1967}, language = {fr}, url = {http://www.numdam.org/item/AIHPA_1967__6_3_255_0/} }