Ge, Bin, Yuhang Han, Qinghai Cao, and Haixin Ren. “A Class of Double Phase Problem Without Ambrosetti-Rabinowitz-Type Growth Condition: Infinitely Many Solutions”. Topological Methods in Nonlinear Analysis 63, no. 2 (June 16, 2024): 733–748. Accessed June 29, 2025. https://apcz.umk.pl/TMNA/article/view/52725.