Existence and multiplicity of solutions for a class of (ϕ1, ϕ2)-Laplacian elliptic system in RN via genus theory. - Liben Wang; Xingyong Zhang; Hui Fang (Comput. Math. Appl., 2016)

Ground State Solutions for a Non-Local Type Problem in Fractional Orlicz Sobolev Spaces. - Liben Wang; Xingyong Zhang; Cuiling Liu (Axioms, 2024)