@article{10_4064_am40_1_1,
     author = {Lynda Selmani},
     title = {A frictionless contact problem for elastic-viscoplastic materials with internal state variable},
     journal = {Applicationes Mathematicae},
     pages = {1--20},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {2013},
     doi = {10.4064/am40-1-1},
     zbl = {1271.74362},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am40-1-1/}
}