@article{M2AN_1985__19_3_351_0,
     author = {Demengel, Fran\c{c}oise},
     title = {Relaxation et existence pour le probl\`eme des mat\'eriaux \`a blocage},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {351--395},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {19},
     number = {3},
     year = {1985},
     mrnumber = {807323},
     zbl = {0579.73017},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1985__19_3_351_0/}
}