@article{SEDP_1978-1979____A23_0,
     author = {Ralston, J.},
     title = {Diffraction by convex bodies},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:23},
     pages = {1--9},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1978-1979},
     mrnumber = {557534},
     zbl = {0405.35028},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1978-1979____A23_0/}
}