@article{M2AN_1987__21_4_581_0,
     author = {Brezzi, Franco and Douglas, Jim Jr. and Fortin, Michel and Marini, L. Donatella},
     title = {Efficient rectangular mixed finite elements in two and three space variables},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {581--604},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {21},
     number = {4},
     year = {1987},
     mrnumber = {921828},
     zbl = {0689.65065},
     language = {en},
     url = {http://archive.numdam.org/item/M2AN_1987__21_4_581_0/}
}