%0 Journal Article %A H.E. SALZER %T Equall-Weighted Formulas for Numerical Differentiation. %J Numerische Mathematik %D 1962 %P 381-397 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1962__4_131546/ %G en %F NUMA_1962__4_131546