GE, Bin, HAN, Yuhang, CAO, Qinghai and REN, Haixin. A class of double phase problem without Ambrosetti-Rabinowitz-type growth condition: infinitely many solutions. Topological Methods in Nonlinear Analysis. Online. 16 June 2024. pp. 1 - 16. [Accessed 3 July 2024]. DOI 10.12775/TMNA.2023.040.