Axelsson, O. On the eigenvalue distribution of relaxed incomplete factorization methods and the rate of converegence of preconditionsl conjugate gradient methods - Nijmegen : Catholic University, Department of Mathematics, 1989 - 15p. ; 21cm. - Report 8928 . Includes bibliographical references Subjects--Topical Terms: Factorization (mathematics)Conjugate gradient methods LC Class. No.: MATH QA3.R46 no.8939