TY - JOUR AU - Groetsch, C.W. AU - Scherzer, O. TI - Optimal order of convergence for stable evaluation of differential operators JO - Electronic Journal of Differential Equations PY - 1993 VL - 1993 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_1993__1993_4_a0/ LA - en ID - EJDE_1993__1993_4_a0 ER -