1. Mixed and Hybrid Finite Element Methods;Brezzi,1991
2. Augmented Lagrangian Methods, Aplications to the Solution of Boundary Value Problems;Fortin,1983
3. Studies in Nonlinear Programming;Arrow,1958
4. Inexact and preconditioned Uzawa algorithms for saddle point problems;Elman;Appl. Math. Comput.,2006
5. Analysis of the inexact Uzawa algorithms for saddle point problems;Bramble;SIAM J. Numer. Anal.,1997