@article{NUMA_1988__53_1-2_133263,
     author = {Douglas N. Arnold and Richard S. Falk},
     title = {A {New} {Mixed} {Formulation} for {Elasticity.}},
     journal = {Numerische Mathematik},
     pages = {13--30},
     publisher = {mathdoc},
     volume = {53},
     number = {1-2},
     year = {1988},
     zbl = {0621.73102},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1988__53_1-2_133263/}
}