TY - BOOK AU - Lu,Hao TI - Matrix plastic and preconditioners T2 - Report 9317 AV - MATH QA3.R46 no.9317 PY - 1996/// CY - Nijmegen PB - Department of Mathematics Catholic University KW - Matrix groups KW - Preconditioning methods KW - Matrices N1 - Includes bibliographical references ER -