%0 Journal Article %A J. MEINGUET %T Methods for Estimating the Remainder in Linear Rules of Approximation. Application to the Romberg Algorithm. %J Numerische Mathematik %D 1966 %P 345-366 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1966__8_131709/ %F NUMA_1966__8_131709