A Functional Equation for the Rayleigh Quotient for Eigenvalues, and Some Applications
J. DiazF. Metcalf
Indiana University Mathematics Journal
1968
text
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10.1512/iumj.1968.17.17038
10.1512/iumj.1968.17.17038
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Indiana Univ. Math. J. 17 (1968) 623 - 630
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