@incollection{AST_1993__217__119_0, author = {Hanges, Nicholas and Treves, Fran\c{c}ois}, title = {On the local holomorphic extension of $CR$ functions}, booktitle = {Colloque d'analyse complexe et g\'eom\'etrie - Marseille, janvier 1992}, series = {Ast\'erisque}, pages = {119--137}, publisher = {Soci\'et\'e math\'ematique de France}, number = {217}, year = {1993}, language = {en}, url = {http://www.numdam.org/item/AST_1993__217__119_0/} }