@article{DAN_1958_118_5_a2,
     author = {A. Vinogradov and B. Delone and D. Fuchs},
     title = {Rational approximations to irrational numbers with bounded partial quotients},
     journal = {Doklady Akademii Nauk},
     pages = {862--865},
     publisher = {mathdoc},
     volume = {118},
     number = {5},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_118_5_a2/}
}