In this talk we deal with the following boundary value problem \( −\Delta_p u + g(u)|\nabla u|^p = h(u)f \)\( \) in \( \Omega \),\( u \ge 0 \) in \( \Omega \),\( u = 0 \) on \( \delta\Omega \), in a domain \( \Omega\subset \mathbb R^N \) (\( N\ge 2 \)), where \( 1\le p< N \), \(...