@article{SEDP_2000-2001____A22_0,
     author = {Graham, C. Robin and Zworski, Maciej},
     title = {Scattering matrix in conformal geometry},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:22},
     pages = {1--14},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {2000-2001},
     mrnumber = {1860694},
     language = {en},
     url = {http://archive.numdam.org/item/SEDP_2000-2001____A22_0/}
}