@article{MP_2021_3_27_a15,
     author = {S. B. Gashkov},
     title = {{\CYRR}{\cyra}{\cyrz}{\cyrr}{\cyre}{\cyrz}{\cyrery} {\cyri} {\cyrr}{\cyra}{\cyrs}{\cyrp}{\cyri}{\cyrl}{\cyrery}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {193--231},
     year = {2021},
     volume = {Ser. 3, 27},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2021_3_27_a15/}
}