%0 Journal Article
%A Elias A. Lipitakis
%A  George A. Gravvanis
%T The Convergence rate and Complexity of Precondotioned Iterative methods based on Approximate finite Element matrix Factorization
%J Δελτίο της Ελληνικής Μαθηματικής Εταιρίας

%D 1992
%P 11-23
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DEME_1992__33_a1/
%G gr
%F DEME_1992__33_a1