@incollection{JEDP_1975____43_0, author = {Bony, Jean-Michel}, title = {Propagation des singularit\'es diff\'erentiables pour une classe d'op\'erateurs diff\'erentiels \`a coefficients analytiques}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, pages = {43--91}, publisher = {Ecole polytechnique}, year = {1975}, mrnumber = {58 #23199}, language = {fr}, url = {http://www.numdam.org/item/JEDP_1975____43_0/} }