@ARTICLE {SVo95d,
   ANNOTE = {MR96k:65024},
   AUTHOR = {Sleijpen, Gerard L. G. and van der Vorst, Henk A.},
    TITLE = {An overview of approaches for the stable computation of hybrid
             {B}i{C}{G} methods},
     NOTE = {Special issue on iterative methods for linear equations
             (Atlanta, GA, 1994)},
  JOURNAL = {Appl. Numer. Math.},
 FJOURNAL = {Applied Numerical Mathematics. An IMACS Journal},
   VOLUME = {19},
     YEAR = {1995},
   NUMBER = {3},
    PAGES = {235--254},
     ISSN = {0168-9274},
    CODEN = {ANMAEL},}