Résultats d'existence pour certains problèmes elliptiques quasilinéaires
Reverse functional inequalities and their applications to nonlinear elliptic boundary value problems.
Revisiting the method of sub- and supersolutions for nonlinear elliptic problems.
Rotationally symmetric harmonic maps from a ball into a sphere and the regularity problem for weak solutions of elliptic systems.
Runge Property and Multiplicity of Solutions for Elliptic Equations in IRN with a Monotone Nonlinearity.