Liouville Theorems and Gradient Estimates for Positive Solutions to Δpu + Δqu + h(u) = 0 on a Complete Manifold. Contemp. Math. [Internet]. 2025 May 19 [cited 2025 Dec. 24];6(3):3135-83. Available from: https://ojs353.mebyme.cn/index.php/CM/article/view/6507