Che, G. and Chen, H. (2017) “Ground state solutions for a class of semilinear elliptic systems with sum of periodic and vanishing potentials”, Topological Methods in Nonlinear Analysis, 51(1), pp. 215–242. Available at: https://apcz.umk.pl/TMNA/article/view/TMNA.2017.046 (Accessed: 3 July 2024).