%0 Journal Article %A M. Stojanoviich %T A Posteriori Improvement of Adaptive Spline Function Approximation %J Mathematica balkanica %D 1989 %P 257 %V 3 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1989_3_3-4_a2/ %F MABA_1989_3_3-4_a2