Monotonicity and symmetry results for p-Laplace equations and applications 1991 · ENGLISH · PDF View details →
A strong maximum principle for a class of non-positone singular elliptic problems 1991 · ENGLISH · PDF View details →
LIBRARY Qualitative properties of positive solutions of semilinear elliptic equations in symmetric domains via the maximum principle ENGLISH · PS View details →
On the nodal set of the second eigenfunction of the laplacian in symmetric domains in R^n ENGLISH · PDF View details →
LIBRARY Comparison theorems for some quasilinear degenerate elliptic operators and applications to symmetry and monotonicity results ENGLISH · PS View details →
A few symmetry results for nonlinear elliptic PDE on noncompact manifolds ENGLISH · PDF View details →
