%0 Journal Article
%A Richard S. Varga
%A Reinhard Nabben
%T An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric.
%J Numerische Mathematik
%D 1993
%P 493-502
%V 65
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133747/
%F NUMA_1993__65_4_133747