@article{FPM_2005_11_6_a2,
     author = {V. A. Bykovskii},
     title = {Estimate for dispersion of lengths of continued fractions},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {15--26},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_6_a2/}
}