@article{MI_1987__92_189909,
     author = {M.M. {\CYRCH}o{\cyrb}{\cyra}{\cyrn} and {\CYRN}.{\CYRK}. {\CYRCH}e{\cyrb}{\cyra}{\cyrn}},
     title = {{\CYRO} {\cyrs}{\cyrt}{\cyrr}{\cyru}{\cyrk}{\cyrt}{\cyru}{\cyrr}{\cyre} {\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyro}{\cyrr}{\cyrb}{\cyri}{\cyrt}{\cyrn}{\cyro}-{\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyrery}{\cyrh} {\cyrt}{\cyro}{\cyrch}{\cyre}{\cyrk} {\cyrd}{\cyri}{\cyrs}{\cyrp}{\cyre}{\cyrr}{\cyrs}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyri}{\cyrn}{\cyra}{\cyrm}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {160--167},
     publisher = {mathdoc},
     volume = {92},
     year = {1987},
     zbl = {0637.54030},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1987__92_189909/}
}