@incollection{JEDP_1980____A8_0, author = {Baouendi, Mohamed S. and Tr\`eves, Fran\c{c}ois}, title = {Sur quelques propri\'et\'es de champs de vecteurs complexes int\'egrables}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {8}, pages = {1--2}, publisher = {Ecole polytechnique}, year = {1980}, language = {fr}, url = {http://www.numdam.org/item/JEDP_1980____A8_0/} }