@incollection{JEDP_1993____A17_0, author = {Eskin, Gregory and Ralston, James}, title = {Inverse scattering problems in several dimensions}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {17}, pages = {1--11}, publisher = {\'Ecole polytechnique}, year = {1993}, mrnumber = {95d:81150}, zbl = {0820.35138}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JEDP_1993____A17_0/} }