@article{SJL_1966-1967___3_64_0,
     author = {Fichera, Gaetano},
     title = {Elastostatics problems with unilateral constraints},
     journal = {S\'eminaire Jean Leray},
     pages = {64--68},
     publisher = {Coll\`ege de France},
     number = {3},
     year = {1966-1967},
     language = {en},
     url = {http://archive.numdam.org/item/SJL_1966-1967___3_64_0/}
}