%0 Journal Article %A V. T. Shevaldin %T Extremal interpolation in the mean with overlapping averaging intervals and the smallest norm of a linear differential operator %J Trudy Instituta matematiki i mehaniki %D 2023 %P 219-232 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2023_29_1_a16/ %G ru %F TIMM_2023_29_1_a16