%0 Journal Article %A S. I. Novikov %T Optimal interpolation on an interval with the smallest mean-square norm of the $r$th derivative %J Trudy Instituta matematiki i mehaniki %D 2023 %P 217-228 %V 29 %N 4 %U http://geodesic.mathdoc.fr/item/TIMM_2023_29_4_a17/ %G ru %F TIMM_2023_29_4_a17