On the necessary condition of Weierstrass in the multiple integral problem of the calculus of variations. I.
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Publication:573498
DOI10.2307/1968253zbMath57.0592.01OpenAlexW2335616589MaRDI QIDQ573498
Publication date: 1931
Published in: Annals of Mathematics. Second Series (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/1968253
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