A variational formalism for the eigenvalues of fourth order boundary value problems
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Publication:1826008
DOI10.1155/S0161171289000906zbMath0685.34015MaRDI QIDQ1826008
Publication date: 1989
Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/46423
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