@article{MP_2011_a13, author = {A. Ya. Belov}, title = {{\CYRO}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyrery}: {\cyrd}{\cyrv}{\cyre}{\cyrr}{\cyrsftsn} {\cyrv}~{\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyru} {\cyri}{\cyrl}{\cyri} {\cyrs}{\cyrp}{\cyro}{\cyrr}{\cyrt}?}, journal = {Matematicheskoe Prosveshchenie}, pages = {187--203}, publisher = {mathdoc}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_2011_a13/} }