@incollection{JEDP_1978____A13_0, author = {Tougeron, Monique}, title = {Probl\`eme d'\'evolution parabolique pour une classe d'op\'erateurs elliptiques d\'eg\'en\'er\'es}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {13}, pages = {1--2}, publisher = {Ecole polytechnique}, year = {1978}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1978____A13_0/} }