Xia, Leran, Minbo Yang, and Fukun Zhao. “Infinitely Many Solutions to Quasilinear Elliptic Equation With Concave and Convex Terms”. Topological Methods in Nonlinear Analysis 44, no. 2 (April 12, 2016): 539–553. Accessed December 12, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.2014.060.