@article{MI_1990__117_190107,
     author = {{\CYRM}.{\CYRP}. {\CYRL}{\cyre}{\cyrn}{\cyryu}{\cyrk} and {\CYRV}.{\CYRG}. {\CYRCH}{\cyre}{\cyrb}{\cyra}{\cyrn} and {\CYRD}.{\CYRS}. {\CYRYA}{\cyrk}{\cyro}{\cyrb}{\cyre}{\cyrc}},
     title = {{\CYRS}{\cyrv}{\cyrya}{\cyrz}{\cyrn}{\cyra}{\cyrya} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyrt}{\cyre}{\cyrr}{\cyrm}{\cyro}{\cyru}{\cyrp}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrd}{\cyrl}{\cyrya} {\cyrd}{\cyrv}{\cyru}{\cyrh}{\cyrs}{\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrv}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyri}{\cyrn}{\cyrery}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {54--66},
     publisher = {mathdoc},
     volume = {117},
     year = {1990},
     zbl = {0725.73013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__117_190107/}
}