@article{MI_1981__64_189623,
     author = {O.A. {\CYRE}{\cyrg}{\cyro}{\cyrr}{\cyrery}{\cyrch}{\cyre}{\cyrv}},
     title = {{\CYRN}{\cyre}{\cyrs}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyro}{\cyrv}{\cyrm}{\cyre}{\cyrs}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrk}{\cyro}{\cyrl}{\cyre}{\cyrb}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrv}{\cyrya}{\cyrz}{\cyrk}{\cyro}{\cyru}{\cyrp}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrishrt} {\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyro}{\cyrishrt} {\cyrs}{\cyrf}{\cyre}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyro}{\cyrb}{\cyro}{\cyrl}{\cyro}{\cyrch}{\cyrk}{\cyri} {\cyri} {\cyrv}{\cyrya}{\cyrz}{\cyrk}{\cyro}{\cyru}{\cyrp}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrishrt} {\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrery}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {58--61},
     publisher = {mathdoc},
     volume = {64},
     year = {1981},
     zbl = {0487.73069},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1981__64_189623/}
}