%0 Journal Article %A Tibor Fiala %T On the Monotonity of Incomplete Factorization. %J Numerische Mathematik %D 1990 %P 473-480 %V 57 %N 6-7 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133462/ %F NUMA_1990__57_6-7_133462