Nonexistence of radial positive solutions for a nonpositone problem. Hakimi, Said; Zertiti, Abderrahim — 2011 Electronic Journal of Differential Equations (EJDE) [electronic only]
Radial positive solutions for a nonpositone problem in a ball. Hakimi, Said; Zertiti, Abderrahim — 2009 Electronic Journal of Differential Equations (EJDE) [electronic only]