[1]
“Existence of Solutions for a Class of Quasilinear Elliptic Systems with Indefinite Weights”, J. Part. Diff. Eq., vol. 18, no. 3, pp. 219–226, Aug. 2005, Accessed: Dec. 06, 2025. [Online]. Available: https://www.global-sci.com/index.php/jpde/article/view/4046