- Foundations functional analysis and distributions
- Linear Functional Analysis by Rynne, Bryan, Youngson, M.A.
- Functional analysis by Walter Rudin
- Sobolev Spaces
- Measure Theory and Fine
Properties of Functions, by L.C. Evans and R.F. Gariepy.
- Functional Analysis, Sobolev Spaces and Partial
Differential Equations, by Haim Brezis
- Sobolev Spaces, by R.A. Adams and J.J.F. Fournier.
- The Analysis of Partial Differential
Operators I, by L. Hormander.