TY - BOOK AU - Hakopian,Yu R. TI - Algebraic multilevel substructing preconditioner for third order finite element approximation T2 - Report 9538 AV - MATH QA3.R46 no.9538 PY - 1995/// CY - Nijmegen PB - Catholic University, Department of Mathematics KW - Preconditioning methods KW - Finite element method KW - Approximation theory KW - Algebra N1 - Includes bibliographical references ER -