%0 Journal Article %A Nenad Ujević %T Error inequalities for a quadrature formula of open type %J Revista colombiana de matematicas %D 2003 %P 93-105 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2003_37_2_a4/ %F RCM_2003_37_2_a4