@article{GDZPPN001180150,
title = {On the Construction of Optimal Mixed Finite Element Methods for the Linear Elasticity Problem.},
journal = {Numerische Mathematik},
volume = {50},
year = {1986},
pages = {447-462},
zbl = {0563.65072},
url = {http://dml.mathdoc.fr/item/GDZPPN001180150}
}
Stenberg, Rolf. On the Construction of Optimal Mixed Finite Element Methods for the Linear Elasticity Problem.. Numerische Mathematik, Tome 50 (1986) pp. 447-462. http://gdmltest.u-ga.fr/item/GDZPPN001180150/