Global solvability on the torus for certain classes of operators in the form of a sum of squares of vector fields

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Publication:1265089

DOI10.1006/jdeq.1997.3407zbMath0931.35035OpenAlexW2078172513MaRDI QIDQ1265089

Gerson Petronilho

Publication date: 19 November 1998

Published in: Journal of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jdeq.1997.3407



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