@TECHREPORT {ESl02a,
     AUTHOR = {{van den Eshof}, Jasper and Sleijpen, Gerard L. G.},
      TITLE = {Inexact {K}rylov subspace methods for linear systems},
       TYPE = {Preprint},
     NUMBER = {1224},
INSTITUTION = {Dep. Math., University Utrecht},
    ADDRESS = {Utrecht, the Netherlands},
      MONTH = {February},
       YEAR = {2002},
       NOTE = {To appear in SIMAX},}


@ARTICLE  {ESl04a,
   AUTHOR = {{van den Eshof}, Jasper and Sleijpen, Gerard L. G.},
    TITLE = {Inexact {K}rylov subspace methods for linear systems},
  JOURNAL = {SIAM J. Matrix Anal. Appl.},
 FJOURNAL = {SIAM Journal on Matrix Analysis and Applications},
   VOLUME = {26},
     YEAR = {2004},
   NUMBER = {1},
    PAGES = {125--153},
     ISSN = {},
    CODEN = {},}