A method of determining an integral \(I\) whose extremals are a given family of curves.
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Publication:1447898
DOI10.1090/S0002-9904-1927-04476-7zbMath53.0491.02MaRDI QIDQ1447898
Publication date: 1927
Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)
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