Operator

Operator algebras and quantum statistical mechanics

Ola Bratteli, Derek W. Robinson ; [editors, Wolf Beiglböck ... et al.].

Classical Banach-Lie algebras and Banach-Lie groups of operators in Hilbert space.

Pierre de La Harpe

Differentiability of six operators on nonsmooth functions and p-variation

Richard M. Dudley, Rimas Norvaiša, with the collaboration of Jinghua Qian.

Integrals and operators

Irving E. Segal, Ray A. Kunze.

Introduction to Hilbert space and the theory of spectral multiplicity.

Paul R. Halmos

Operators, oscillations, waves (open systems)

by M.S. Livšic. [Translated from the Russian by Scripta Technica Ltd. English translation edited by R. Herden].

Topics in operator theory: Constantin Apostol memorial issue

edited by I. Gohberg.

Composition operators on spaces of analytic functions

Carl C. Cowen, Barbara D. MacCluer.

Locally Convex Spaces Graduate Texts in Mathematics

M. Scott Osborne

Operators and iterative processes of Fejér type: theory and applications

Vladimir V. Vasin, Ivan I. Eremin