@article{GDZPPN001186884,
title = {Schwarz alternating and iterative refinemnt methods for mixed formulations of elliptic problems, part II: convergence theory.},
journal = {Numerische Mathematik},
volume = {66},
year = {1993},
pages = {469-492},
zbl = {0801.65107},
url = {http://dml.mathdoc.fr/item/GDZPPN001186884}
}
Mathew, Tarek P. Schwarz alternating and iterative refinemnt methods for mixed formulations of elliptic problems, part II: convergence theory.. Numerische Mathematik, Tome 66 (1993) pp. 469-492. http://gdmltest.u-ga.fr/item/GDZPPN001186884/