%0 Journal Article %A Scherzer, Otmar %T Stable evaluation of differential operators and linear and nonlinear multi-scale filtering %J Electronic Journal of Differential Equations %D 1997 %V 1997 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a19/ %G en %F EJDE_1997__1997__a19