%0 Journal Article %A V. F. Babenko %T On~best uniform approximations by splines in the presence of restrictions on their derivatives %J Matematičeskie zametki %D 1991 %P 24-30 %V 50 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_50_6_a2/ %G ru %F MZM_1991_50_6_a2