%0 Journal Article %A Ivo Marek %A Daniel B. Szyld %T Comparison theorems for weak splittings of bounded operators. %J Numerische Mathematik %D 1990 %P 387-398 %V 58 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133508/ %F NUMA_1990__58_5_133508