@article{MI_1990__119_190134,
     author = {{\CYRF}.{\CYRV}. {\CYRB}{\cyro}{\cyrt}{\cyrya} and {\CYRV}.{\CYRS}. {\CYRM}{\cyra}{\cyrk}{\cyra}{\cyrr}{\cyro}{\cyrv}},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrb}{\cyrhrdsn}{\cyre}{\cyrm}{\cyra}{\cyrh} {\cyrp}{\cyrr}{\cyri}{\cyrz}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrishrt}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {49--59},
     publisher = {mathdoc},
     volume = {119},
     year = {1990},
     zbl = {0736.51012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__119_190134/}
}