@article{IVM_1979_2_a6,
     author = {S. S. Khloponin},
     title = {Approximation of functions by continued fractions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {52--58},
     year = {1979},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_2_a6/}
}