@article {MR1718707,
    AUTHOR = {Cai, Xiao-Chuan and Sarkis, Marcus},
     TITLE = {A restricted additive {S}chwarz preconditioner for general
              sparse linear systems},
   JOURNAL = {SIAM J. Sci. Comput.},
  FJOURNAL = {SIAM Journal on Scientific Computing},
    VOLUME = {21},
      YEAR = {1999},
    NUMBER = {2},
     PAGES = {792--797 (electronic)},
      ISSN = {1064-8275},
   MRCLASS = {65N30 (65F35)},
  MRNUMBER = {1718707 (2000f:65133)},
       DOI = {10.1137/S106482759732678X},
       URL = {http://dx.doi.org/10.1137/S106482759732678X},
}