@article{MI_1987__91_189893,
     author = {{\CYRV}.{\CYRA}. {\CYRU}{\cyrf}{\cyrn}{\cyra}{\cyrr}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRO} {\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro}-{\cyro}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrg}{\cyra}{\cyrm}{\cyri}{\cyrl}{\cyrsftsn}{\cyrt}{\cyro}{\cyrn}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {103--112},
     publisher = {mathdoc},
     volume = {91},
     year = {1987},
     zbl = {0631.17009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1987__91_189893/}
}