@article{DAN_1957_117_2_a7,
     author = {V. M. Tikhomirov},
     title = {On the $\varepsilon$-entropy of some classes of analytic functions},
     journal = {Doklady Akademii Nauk},
     pages = {191--194},
     publisher = {mathdoc},
     volume = {117},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_2_a7/}
}