@article{M2AN_2008__42_3_411_0,
     author = {Falk, Richard S.},
     title = {A {Fortin} operator for two-dimensional {Taylor-Hood} elements},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {411--424},
     publisher = {EDP-Sciences},
     volume = {42},
     number = {3},
     year = {2008},
     doi = {10.1051/m2an:2008008},
     mrnumber = {2423792},
     zbl = {1143.65085},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an:2008008/}
}