@article{MP_2014_a4,
     author = {S. B. Gashkov},
     title = {{\CYRN}{\cyre}{\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyro} {{\CYRB}{\cyre}{\cyrr}{\cyrn}{\cyrsh}{\cyrt}{\cyre}{\cyrishrt}{\cyrn}{\cyra},} {\cyrt}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyro} {{\CYRR}{\cyri}{\cyrs}{\cyrs}{\cyra}} {\cyri} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl}{\cyra} {{\CYREREV}{\cyrishrt}{\cyrl}{\cyre}{\cyrr}{\cyra}} {\cyrd}{\cyrl}{\cyrya} {\cyrr}{\cyrya}{\cyrd}{\cyra} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrv}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {143--171},
     publisher = {mathdoc},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2014_a4/}
}