%0 Journal Article %A Khatamov, Akhtam %T On the exact estimates of the best spline approximations of functions %J Electronic transactions on numerical analysis %D 2006 %P 446-453 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2006__25__a4/ %G en %F ETNA_2006__25__a4