A Remark on the Existence of Positive Solution for a Class of (p,q)-Laplacian Nonlinear System with Multiple Parameters and Sign-changing Weight. J. Part. Diff. Eq. [Internet]. 2013 Jun. 2 [cited 2025 Dec. 5];26(2):99-106. Available from: https://www.global-sci.com/index.php/jpde/article/view/14851