@article{MP_2020_a11,
     author = {M. I. Bidva and A. M. Filatov and A. A. Shevtsov},
     title = {{\CYRO}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrl}{\cyre}{\cyrm}{\cyrm}{\cyrery} {{\CYRV}{\cyre}{\cyrr}{\cyrr}{\cyrsftsn}{\cyre}{\cyrr}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {249--257},
     publisher = {mathdoc},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2020_a11/}
}