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- Linear Operators, Spectral Theory, Self Adjoint Operators in Hilbert Space, Part 2 by Nelson Dunford, Jacob T. Schwartz, et all February, 1988
- Realizability Theory for Continuous Linear Systems (Dover Books on Mathematics) by Armen H. Zemanian, February, 1996
- Quantum Field Theory : From Operators to Path Integrals by Kerson Huang, August, 1998
- Operator Theory for Electromagnetics by George W. Hanson, Alexander B. Yakovlev, 15 October, 2001
- Operator Methods in Quantum Mechanics by Martin Schechter, March, 2003
- Wavelets : Calderón-Zygmund and Multilinear Operators by Yves Meyer, Ronald Coifman, et all August, 2000
- Spectral Functions in Mathematics and Physics by Klaus Kirsten, 13 December, 2001
- Basic Operator Theory by Israel Gohberg, Seymour Goldberg, 15 September, 2001
- Elements of Operator Theory by Carlos S. Kubrusly, 15 March, 2001
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