- Elliptic Equations: An Introductory Course
- Handbook of Differential Equations: Stationary Partial Differential Equations
- L Goes to Plus Infinity (Birkhauser Advanced Texts)
- Elliptic and Parabolic Problems: Pont-A-Mousson 1994, Volume 325 (Research Notes in Mathematics Series)
- Elements of Nonlinear Analysis (Birkhäuser Advanced Texts / Basler Lehrbücher)









