On the notion of gradient. II. A certain extremal property of direction of the gradient vector
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Publication:3267838
DOI10.4064/ap-8-1-5-12zbMath0092.14203OpenAlexW894590496MaRDI QIDQ3267838
M. Kucharzewski, Stanislaw Gołab
Publication date: 1960
Published in: Annales Polonici Mathematici (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/208442
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