@article{M2AN_1978__12_1_59_0,
     author = {Johnson, Claes},
     title = {An elasto-plastic contact problem},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {59--74},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {12},
     number = {1},
     year = {1978},
     mrnumber = {495515},
     zbl = {0378.73032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1978__12_1_59_0/}
}