Geometric Analysis of Nonlinear Partial Differential Equations

Differential Equations: Linear, Nonlinear, Ordinary, Partial

Fourier Analysis and Nonlinear Partial Differential Equations (Grundlehren der mathematischen Wissenschaften, Band 343)

Nonlinear Elliptic Partial Differential Equations: An Introduction (Universitext)

Analysis and Partial Differential Equations (Universitext)