%0 Journal Article
%A Owe Axelsson
%A Gunhild Lindskog
%T On the Rate of Convergence of the Preconditioned Conjugate Gradient Method.
%J Numerische Mathematik
%D 1986
%P 499-524
%V 48
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1986__48_133084/
%F NUMA_1986__48_133084