@article{NUMA_1978__30_132541,
     author = {C. Johnson and B. Mercier},
     title = {Some {Equilibrium} {Finite} {Element} {Methods} for {Two-} {Dimensional} {Elasticity} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {103--116},
     publisher = {mathdoc},
     volume = {30},
     year = {1978},
     zbl = {0427.73072},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1978__30_132541/}
}