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Zhenhai Liu, Nikolaos S. Papageorgiou, “Anisotropic (p, q)-equations with competition phenomena”, Acta Math Sci, 42, № 1, 2022, 299
Li Wang, Jun Wang, Daoguo Zhou, “Concentration of solutions for double-phase problems with a general nonlinearity”, MATH, 8, № 6, 2023, 13593
Divya Goel, Deepak Kumar, K. Sreenadh, “Regularity and multiplicity results for fractional (p,q)-Laplacian equations”, Commun. Contemp. Math., 22, № 08, 2020, 1950065
N. S. Papageorgiou, C. Vetro, F. Vetro, “(p,2)-equations resonant at any variational eigenvalue”, Complex Variables and Elliptic Equations, 65, № 7, 2020, 1077