TY - BOOK AU - Axelsson,O. TI - Robust vectorizable preconditioners for three-dimensional alliptic difference equations with anisotrophy T2 - Report 8652 AV - QA3.R46 no.8652 PY - 1986/// CY - Nijmegen PB - : Catholic University, Department of Mathematics KW - Differential equations, Elliptic KW - Elliptic KW - Robust statistics N1 - Includes bibliographical references ER -