Tran Thi Khieu, Thanh-Hieu Nguyen, “On the fractional P – Q laplace operator with weights”, Applicable Analysis, 103, № 7, 2024, 1314
Ujjal Das, Amila Muthunayake, Ratnasingham Shivaji, “Existence results for a class of p-q Laplacian semipositone boundary value problems”, Electron. J. Qual. Theory Differ. Equ., № 88, 2020, 1
Yunru Bai, Nikolaos S. Papageorgiou, Shengda Zeng, “A singular eigenvalue problem for the Dirichlet (p, q)-Laplacian”, Math. Z., 300, № 1, 2022, 325
D. D. Hai, R. Shivaji, X. Wang, “Positive radial solutions for a class of (p, q) Laplacian in a ball”, Positivity, 27, № 1, 2023, 6
Ryuji Kajikiya, Mieko Tanaka, Satoshi Tanaka, “Asymptotic behavior and monotonicity of radial eigenvalues for the p-Laplacian”, Journal of Differential Equations, 387, 2024, 496
Vladimir Bobkov, Mieko Tanaka, “On the Fredholm-type theorems and sign properties of solutions for (p, q)-Laplace equations with two parameters”, Annali di Matematica, 198, № 5, 2019, 1651
Mihai Mihăilescu, “Monotonicity properties for the variational Dirichlet eigenvalues of the p-Laplace operator”, Journal of Differential Equations, 335, 2022, 103
Marian Bocea, Mihai Mihăilescu, “On the monotonicity of the principal frequency of the p-Laplacian”, Advances in Calculus of Variations, 14, № 1, 2021, 147
Giovany M. Figueiredo, Humberto Ramos Quoirin, Kaye Silva, “Ground states of elliptic problems over cones”, Calc. Var., 60, № 5, 2021, 189
Abdelmajid Boukhsas, Abdellah Ahmed Zerouali, Omar Chakrone, Belhadj Karim, “On a positive solutions for $(p,q)$-Laplacian Steklov problem with two parameters”, bspm, 40, 2022, 1