@article{M2AN_1977__11_2_135_0,
     author = {Falk, Richard S. and Mercier, Bertrand},
     title = {Error estimates for elasto-plastic problems},
     journal = {RAIRO. Analyse num\'erique},
     pages = {135--144},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {11},
     number = {2},
     year = {1977},
     mrnumber = {449119},
     zbl = {0357.73062},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1977__11_2_135_0/}
}