@article{RIUMI_2009_1_2_2_223_0, author = {Gregorio Chinni}, title = {(micro-)Ipoellitticit\`a Analitica e Gevrey per "Somme di Quadrati": un approccio via F.B.I.}, journal = {La Matematica nella Societ\`a e nella Cultura. Rivista dell'Unione Matematica Italiana}, volume = {2}, year = {2009}, pages = {223-226}, language = {it}, url = {http://dml.mathdoc.fr/item/RIUMI_2009_1_2_2_223_0} }
Chinni, Gregorio. (micro-)Ipoellitticità Analitica e Gevrey per "Somme di Quadrati": un approccio via F.B.I.. La Matematica nella Società e nella Cultura. Rivista dell'Unione Matematica Italiana, Tome 2 (2009) pp. 223-226. http://gdmltest.u-ga.fr/item/RIUMI_2009_1_2_2_223_0/
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