Functional Analysis: Theory and Applications (Dover Books on Mathematics) R....

Functional Analysis Theory and Applications R.E. Edwards Dover Math Paperback

Modern Nonlinear Equations (Dover Books on Mathematics) - Paperback - VERY GOOD

Applied Functional Analysis - Balakrishnan - 1981 - Springer - Very good!

Dover Books on Mathematics Ser.: Functional Analysis : Theory and

Theory of Functions, Parts I and II (Dover Books on Mathematics)

Functional Analysis: Theory and Applications by Edwards, R. E.

Elementary Analysis: The Theory of - Hardcover, by Ross Kenneth A. - Very Good