Spectrum (functional analysis) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Spectrum (functional analysis)" in English language version.

Last modified: 15:23:14, 31 January 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

4,114^th place

3,027^th place

434^th place

249^th place

3^rd place

ams.org (Global: 434^th place; English: 249^th place)

Simon 2005, p. 44. Simon, Barry (2005). Orthogonal polynomials on the unit circle. Part 1. Classical theory. American Mathematical Society Colloquium Publications. Vol. 54. Providence, R.I.: American Mathematical Society. ISBN 978-0-8218-3446-6. MR 2105088.

Zaanen, Adriaan C. (2012). Introduction to Operator Theory in Riesz Spaces. Springer Science & Business Media. p. 304. ISBN 9783642606373. Retrieved 8 September 2017.