@incollection{JEDP_1987____A22_0, author = {Delort, Jean-Marc}, title = {Probl\`eme mixte hyperbolique avec saut sur la condition aux limite}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {22}, pages = {1--9}, publisher = {Ecole polytechnique}, year = {1987}, mrnumber = {89e:35105}, zbl = {0641.35039}, language = {fr}, url = {http://www.numdam.org/item/JEDP_1987____A22_0/} }