Differential operators of principal type
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Publication:771535
DOI10.1007/BF01360085zbMath0090.08101OpenAlexW2079397505WikidataQ110898047 ScholiaQ110898047MaRDI QIDQ771535
Publication date: 1960
Published in: Mathematische Annalen (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/160767
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Cites Work
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- An example of a smooth linear partial differential equation without solution
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