@article{MP_2011_a9,
     author = {S. B. Gashkov},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyro}{\cyrb} {\cyra}{\cyrd}{\cyrd}{\cyri}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrc}{\cyre}{\cyrp}{\cyro}{\cyrch}{\cyrk}{\cyra}{\cyrh} {\cyri} {\cyre}{\cyre} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {138--153},
     publisher = {mathdoc},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2011_a9/}
}