Aronszajn, N.; Brown, R. D. Finite-dimensional perturbations of spectral problems and variational approximation methods for eigenvalue problems. I: Finite-dimensional perturbations. (English) Zbl 0203.45202 Stud. Math. 36, 1-76 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 8 Documents PDFBibTeX XMLCite \textit{N. Aronszajn} and \textit{R. D. Brown}, Stud. Math. 36, 1--76 (1970; Zbl 0203.45202) Full Text: DOI EuDML