@incollection{JEDP_1981____A3_0, author = {J. J. Kohn}, title = {Subelliptic estimates}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {3}, pages = {1--7}, publisher = {\'Ecole polytechnique}, year = {1981}, zbl = {0487.35037}, language = {en}, url = {https://proceedings.centre-mersenne.org/item/JEDP_1981____A3_0/} }
J. J. Kohn. Subelliptic estimates. Journées équations aux dérivées partielles (1981), article no. 3, 7 p. https://proceedings.centre-mersenne.org/item/JEDP_1981____A3_0/
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