Volterra Integral Equations
Hermann Brunner
Techniques of Functional Analysis for Differential and Integral Equations
Numerical Solution of Partial Differential Equations by the Finite Element Method, Paperback
Claes Johnson
Functional Analysis
GRAVITATIONAL FEWBODY DYNAMICS
Seppo Mikkola
Elements of the Theory of Functions and Functional Analysis, Paperback
A. N. Kolmogorov