BELAOUIDEL, H., OURRAOUI, A. and TSOULI, N. (2020) “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, 65(2), pp. 229–241. doi: 10.24193/subbmath.2020.2.05.