Lower bounds for higher eigenvalues by finite difference methods
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Publication:770119
DOI10.2140/pjm.1958.8.339zbMath0084.34802OpenAlexW2083687865WikidataQ125853652 ScholiaQ125853652MaRDI QIDQ770119
Publication date: 1958
Published in: Pacific Journal of Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2140/pjm.1958.8.339
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