He, J.; Liu, Y.; Wen, S.; Yang, H. Gradient Estimate for Solutions of the Equation ∆<i>_pu</i> = <i>a</i>|∇<i>u</i>|<i>^q</i> +<i>be^cu</i> On a Complete Riemannian Manifold. Contemp. Math. 2025, 6, 3433-3453.