@article{DAN_1979_244_6_a6, author = {N. P. Korneichuk}, title = {Diameters in $L_p$ of classes of continuous and differentiable functions and the optimal reconstruction of functions and their derivatives}, journal = {Doklady Akademii Nauk}, pages = {1317--1321}, publisher = {mathdoc}, volume = {244}, number = {6}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_6_a6/} }