Antonio Ambrosetti
An Introduction to Nonlinear Functional Analysis and Elliptic Problems
Appunti sulle equazioni differenziali ordinarie
Mathematical Economics
Perturbation Methods and Semilinear Elliptic Problems on R^n
Perturbation Methods and Semilinear Elliptic Problems on R^n (Progress in Mathematics Book 240)
Differential Equations
Introduction to Nonlinear Functional Analysis and Elliptic Problems
Nonlinear Analysis and Semilinear Elliptic Problems
Primer of Nonlinear Analysis