%0 Journal Article %A P.W. Smith %A D.L. Barrow %T Efficient L2 Approximation by Splines. %J Numerische Mathematik %D 1979 %P 101-114 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1979__33_132631/ %F NUMA_1979__33_132631