N. Nyamoradi, “Solutions of the Quasilinear Elliptic Systems with Combined Critical Sobolev–Hardy Terms”, Ukr. Mat. Zhurn., vol. 67, no. 6, pp. 788–808, Jun. 2015, Accessed: Apr. 23, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2022