@article{ETNA_2010__37__a14,
     author = {Hyon, Yunkyong and Kwak, Do Y.},
     title = {New quadrilateral mixed finite elements},
     journal = {Electronic transactions on numerical analysis},
     pages = {189--201},
     publisher = {mathdoc},
     volume = {37},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2010__37__a14/}
}