@article{MP_1961_2_6_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}, year = {1961}, volume = {Ser. 2, 6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_1961_2_6_a1/} }