@incollection{JEDP_1979____A1_0, author = {Bony, Jean-Michel}, title = {Calcul symbolique et singularit\'es des solutions des \'equations aux d\'eriv\'ees partielles non lin\'eaires}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {1}, pages = {1--7}, publisher = {Ecole polytechnique}, year = {1979}, mrnumber = {80i:35046}, zbl = {0499.35031}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1979____A1_0/} }