%0 Journal Article
%T An optimal 3-point quadrature formula of closed type and error bounds
%J Revista colombiana de matematicas
%D 2008
%P 209-220
%V 42
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_2008_42_2_a1/
%F RCM_2008_42_2_a1