@article{RM_2002_57_4_a15,
     author = {I. D. Shkredov},
     title = {Recurrence of incomplete quotients of continued fractions},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {819--821},
     year = {2002},
     volume = {57},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2002_57_4_a15/}
}