%0 Journal Article
%A Elias A. Lipitakis
%A  George A. Gravvanis
%T The numerical solution of large finite element systems by explicit preconditioning semi-direct methods
%J Μαθηματική Επιθεώρηση
%D 1987
%P 63-82
%V 32
%U http://geodesic.mathdoc.fr/item/MR_1987_32_a10/
%G gr
%F MR_1987_32_a10