@article{M2AN_2007__41_5_855_0,
     author = {Matthies, Gunar},
     title = {Inf-sup stable nonconforming finite elements of higher order on quadrilaterals and hexahedra},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {855--874},
     year = {2007},
     publisher = {EDP Sciences},
     volume = {41},
     number = {5},
     doi = {10.1051/m2an:2007034},
     mrnumber = {2363886},
     zbl = {1147.65094},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/m2an:2007034/}
}