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In this paper we are interested in multiplicity results for a second-order nonautonomous system. Infinitely many solutions follow from a recent variational principle by B. Ricceri. [Copyright &y& Elsevier]

In this paper, we establish some results on the existence of at least three weak solutions for Dirichlet problems involving the p-Laplacian by a variational approach. [Copyright &y& Elsevier]