@article{SEDP_1988-1989____A16_0, author = {Delort, J.-M.}, title = {Conormalit\'e des ondes semi-lin\'eaires le long des caustiques}, journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"}, note = {talk:15}, publisher = {Ecole Polytechnique, Centre de Math\'ematiques}, year = {1988-1989}, zbl = {0703.35113}, mrnumber = {1032291}, language = {fr}, url = {http://archive.numdam.org/item/SEDP_1988-1989____A16_0/} }