@article{NUMA_1979__33_132648,
     author = {M. Amara and J.M. Thomas},
     title = {Equilibrium {Finite} {Elements} for the {Linear} {Elastic} {Problem.}},
     journal = {Numerische Mathematik},
     pages = {367--384},
     publisher = {mathdoc},
     volume = {33},
     year = {1979},
     zbl = {0401.73079},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1979__33_132648/}
}