@article{SEDP_1980-1981____A24_0,
     author = {Beals, R. and Coifman, R.},
     title = {Scattering, transformations spectrales et \'equations d'\'evolution non lin\'eaires},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:22},
     pages = {1--9},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1980-1981},
     zbl = {0475.35078},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1980-1981____A24_0/}
}