Geodesic
Least-squares mixed finite elements for the linear elasticity problem
Theoretical and applied mechanics, Tome 25 (1999) no. 1, p. 21 
Boško Jovanović; Ivan Šestak. Least-squares mixed finite elements for the linear elasticity problem. Theoretical and applied mechanics, Tome 25 (1999) no. 1, p. 21 . http://geodesic.mathdoc.fr/item/TAM_1999_25_1_a1/
@article{TAM_1999_25_1_a1,
     author = {Bo\v{s}ko Jovanovi\'c and Ivan \v{S}estak},
     title = {Least-squares mixed finite elements for the linear elasticity problem},
     journal = {Theoretical and applied mechanics},
     pages = {21 },
     year = {1999},
     volume = {25},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1999_25_1_a1/}
}
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Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

We expose a theoretical analysis of a least-squares mixed finite elements method for the linear elasticity problem in two-and three-dimensional domains. The coerciveness of the weak form of the problem is proved. It is shown that the finite element approximation yields a symmetric positive definite linear system with condition number $O(h^{-2})$. The error estimate is obtained.