@article{NUMA_1993__65_4_133746,
     author = {Tarek P. Mathew},
     title = {Schwarz alternating and iterative refinemnt methods for mixed formulations of elliptic problems, part {II:} convergence theory.},
     journal = {Numerische Mathematik},
     pages = {469--492},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {1993},
     zbl = {0801.65107},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133746/}
}