Functions Whose Even Derivatives Have a Prescribed Sign
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Publication:5782004
DOI10.1073/pnas.26.11.657zbMath0027.07601OpenAlexW1999106752WikidataQ33745776 ScholiaQ33745776MaRDI QIDQ5782004
Publication date: 1940
Published in: Proceedings of the National Academy of Sciences (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1073/pnas.26.11.657
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