%0 Journal Article %A Đinh Dung %T The Whittaker--Kotel'nikov--Shannon theorem, $\epsilon$-entropy and $\epsilon$-dimensionality %J Doklady Akademii Nauk %D 1990 %P 524-528 %V 312 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a1/ %G ru %F DAN_1990_312_3_a1