Aronszajn, N. Approximation methods for eigenvalues of completely continuous symmetric operators. (English) Zbl 0067.09101 Proc. Symposium spectral theory and differential problems 179-202 (1955). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 13 Documents Keywords:functional analysis PDF BibTeX XML