%0 Journal Article %A R.E. BARNHILL %T Asymptotic Properties of Minimum Norm and Optimal Quadratures. %J Numerische Mathematik %D 1968 %P 384-393 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1968__12_131884/ %F NUMA_1968__12_131884