@article{SEDP_1998-1999____A14_0,
     author = {Melin, Anders},
     title = {Back-scattering and nonlinear {Radon} transformation},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:14},
     pages = {1--14},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {1998-1999},
     zbl = {1061.35519},
     mrnumber = {1721332},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1998-1999____A14_0/}
}