%0 Journal Article %A H.S. WILF %T Exactness Conditions in Numerical Quadrature. %J Numerische Mathematik %D 1964 %P 315-319 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1964__6_131616/ %F NUMA_1964__6_131616