TY - BOOK AU - Axelsson,Owe AU - Mariana Nikolova TI - A generalized conjugate gradient minimum residual method with variable preconditioners T2 - Report 9545 AV - QA3.R46 no.9545 PY - 1995/// CY - Nijmegen PB - Department of Mathematics Catholic University KW - Conjugate gradient methods KW - Preconditioning KW - Variables (Mathematics) N1 - Includes bibliographical references ER -