@article{ETNA_2001__12__a5,
     author = {Ben Belgacem,  Faker and Brenner,  Susanne C.},
     title = {Some nonstandard finite element estimates with applications to {\(3D\)} {Poisson} and {Signorini} problems},
     journal = {Electronic transactions on numerical analysis},
     pages = {134--148},
     year = {2001},
     volume = {12},
     zbl = {0981.65131},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2001__12__a5/}
}