%0 Journal Article %A Codenotti, Bruno %T Error analysis of some approximating algorithms %J Portugaliae mathematica %D 1985 %P 113-119 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114553/ %G en %F PORMA_1985__43_1_114553