Uniqueness for positive solutions of p -Laplacian problem in an annulus Eric Nabana — 1999 Annales de la Faculté des sciences de Toulouse : Mathématiques
A nonexistence result for a system of quasilinear degenerate elliptic inequalities in a half-space. Kirane, Mokthar; Nabana, Eric — 2002 Electronic Journal of Differential Equations (EJDE) [electronic only]