@article{700133,
title = {Mixed finite element in 3D in $H(\operatorname{div})$ and $H(\operatorname{curl})$
},
booktitle = {Equadiff 6},
series = {GDML\_Books},
publisher = {J. E. Purkyn\v e University, Department of Mathematics},
address = {Brno},
year = {1986},
pages = {[321]-325},
mrnumber = {MR0877143},
zbl = {0603.65069},
url = {http://dml.mathdoc.fr/item/700133}
}
Nédélec, Jean-Claude. Mixed finite element in 3D in $H(\operatorname{div})$ and $H(\operatorname{curl})$
, dans Equadiff 6, GDML_Books, (1986), pp. [321]-325. http://gdmltest.u-ga.fr/item/700133/