@article{SEDP_1973-1974____A21_0,
     author = {Lax, P. D. and Phillips, R. S.},
     title = {A scattering theory for automorphic functions},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:23},
     pages = {1--7},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1973-1974},
     mrnumber = {407626},
     zbl = {0297.35061},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1973-1974____A21_0/}
}