@article{MP_1961_a1,
     author = {A. Ya. Khinchin},
     title = {{\CYRO} {\cyrv}{\cyro}{\cyrs}{\cyrp}{\cyri}{\cyrt}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrm} {\cyrerev}{\cyrf}{\cyrf}{\cyre}{\cyrk}{\cyrt}{\cyre} {\cyru}{\cyrr}{\cyro}{\cyrk}{\cyro}{\cyrv} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {7--28},
     publisher = {mathdoc},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1961_a1/}
}