Carlos S. Kubrusly
Essentials of Measure Theory
Spectral Theory of Bounded Linear Operators
The Courant-Friedrichs-Lewy Condition
The Elements of Operator Theory
An Introduction to Models and Decompositions in Operator Theory
Bilinear Maps and Tensor Products in Operator Theory
Hilbert Space Operators
Introduction to Models and Decompositions in Operator Theory
Measure Theory