@article{SM_1975_27_1_a1, author = {H. Triebel}, title = {Interpolation properties of $\varepsilon$-entropy and diameters. {Geometric} charac\-teristics of imbedding for function spaces of {Sobolev{\textendash}Besov} type}, journal = {Sbornik. Mathematics}, pages = {23--37}, year = {1975}, volume = {27}, number = {1}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_1975_27_1_a1/} }