@incollection{JEDP_1990____A10_0, author = {Skibsted, Erik}, title = {Time-dependent approach to radiation conditions}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {10}, pages = {1--13}, publisher = {\'Ecole polytechnique}, year = {1990}, mrnumber = {91k:81201}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JEDP_1990____A10_0/} }