@article{Zhang2012,
author = "L. Zhang
 and K. Moriya
 and T. Nodera",
title = "Two level parallel preconditioning derived from an approximate inverse based on the Sherman--Morrison formula",
journal = "ANZIAM J.",
volume = "54",
pages = "E1--E25",
year = 2012,
number = "E",
month = oct,
note = "\url {http://journal.austms.org.au/ojs/index.php/ANZIAMJ/article/view/2073} [October 12, 2012]",
keywords = "sparse linear system of equation, GMRES(m), approximate inverse, Sherman--Morrison formula, two level parallel computation",
subjclass = "65F10, 65M12",
}