%0 Journal Article %A Lynda Selmani %T A frictionless contact problem for elastic-viscoplastic materials with internal state variable %J Applicationes Mathematicae %D 2013 %P 1-20 %V 40 %N 1 %U https://geodesic-test.mathdoc.fr/item/APME_2013__40_1_280017/ %G en %F APME_2013__40_1_280017