BELAOUIDEL, Hassan; OURRAOUI, Anass; TSOULI, Najib. Existence and multiplicity of solutions to the Navier boundary value problem for a class of (p(x), q(x))-biharmonic systems. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 65, n. 2, p. 229–241, 2020. DOI: 10.24193/subbmath.2020.2.05. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2528. Acesso em: 5 feb. 2025.