@article{MI_1981__63_189600,
     author = {{\CYRN}.{\CYRV}. {\CYRZH}{\cyri}{\cyrt}{\cyra}{\cyrr}{\cyra}{\cyrsh}{\cyru} and {\CYRYA}.{\CYRS}. {\CYRK}{\cyru}{\cyrsh}{\cyri}{\cyrc}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyra}{\cyrh} {\cyrya}{\cyrd}{\cyre}{\cyrr} {{\CYRP}{\cyru}{\cyra}{\cyrs}{\cyrs}{\cyro}{\cyrn}{\cyra}} {\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyri} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {\cyrv} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {49--54},
     publisher = {mathdoc},
     volume = {63},
     year = {1981},
     zbl = {0461.35013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1981__63_189600/}
}