%0 Journal Article %A Eberhard Schock %T Pointwise Rational Approximation and Iterative Methods for Ill-Posed Problems. %J Numerische Mathematik %D 1989 %P 91-104 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133306/ %F NUMA_1989__54_3_133306