%0 Journal Article %A V. V. Bogdanov %A Yu. S. Volkov %T Shape-preservation conditions for cubic spline interpolation %J Matematičeskie trudy %D 2019 %P 19-67 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2019_22_1_a1/ %G ru %F MT_2019_22_1_a1