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Publication:5904665
DOI10.1080/03605308108820170zbMath0455.35040OpenAlexW4234321732MaRDI QIDQ5904665
Publication date: 1981
Published in: Communications in Partial Differential Equations (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1080/03605308108820170
Pseudodifferential operators as generalizations of partial differential operators (35S05) Hypoelliptic equations (35H10)
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