@article{DAN_1990_312_3_a1,
     author = {{\DJ}inh Dung},
     title = {The {Whittaker{\textendash}Kotel'nikov{\textendash}Shannon} theorem, $\epsilon$-entropy and $\epsilon$-dimensionality},
     journal = {Doklady Akademii Nauk},
     pages = {524--528},
     year = {1990},
     volume = {312},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a1/}
}