A fixed point result with applications in the study of viscoplastic frictionless contact problems
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Laboratoire de Mathématiques et Physique pour les Systèmes, Université de Perpignan, 52 Avenue Paul Alduy, 66860 Perpignan
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Departement of Mathematics, University of Craiova, A.I. Cuza Street 13, 200585, Craiova
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Departement of Mathematics, University of Craiov, A.I. Cuza Street 13, 200585, Craiova