@article{GDZPPN001185594, title = {On mixed finite element methods for linear elastodynamics.}, journal = {Numerische Mathematik}, volume = {63}, year = {1992}, pages = {235-260}, zbl = {0734.73074}, url = {http://dml.mathdoc.fr/item/GDZPPN001185594} }
Makridakis, Ch.G. On mixed finite element methods for linear elastodynamics.. Numerische Mathematik, Tome 63 (1992) pp. 235-260. http://gdmltest.u-ga.fr/item/GDZPPN001185594/