1. The Mathematical Theory of Viscous Incompressible Flow;Ladyzhenskaya,1969
2. The finite element method with Lagrangian multipliers;Babuška;Numer. Math.,1973
3. On the existence, uniqueness and approximation of saddle-point problems arising from lagrangian multipliers;Brezzi;Rev. Française Automat. Informat. Recherche Opérationnelle Sér. Rouge,1974
4. Finite Element Methods for Navier-Stokes Equations. Theory and Algorithms;Girault,1986
5. Mixed and Hybrid Finite Element Methods;Brezzi,1991