@article{MI_1990__117_190108,
     author = {{\CYRS}.{\CYRA}. {\CYRL}{\cyrery}{\cyrm}{\cyra}{\cyrr}{\cyrsftsn} and {\CYRV}.{\CYRI}. {\CYRP}{\cyra}{\cyrc}{\cyryu}{\cyrk} and {\CYRA}.{\CYRN}. {\CYRCH}{\cyru}{\cyrp}{\cyra}{\cyrh}{\cyri}{\cyrn}},
     title = {{\CYRD}{\cyri}{\cyrn}{\cyra}{\cyrm}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrr}{\cyre}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyrya} {\cyrk}{\cyrr}{\cyru}{\cyrg}{\cyrl}{\cyro}{\cyrishrt} {\cyrr}{\cyre}{\cyrb}{\cyrr}{\cyri}{\cyrs}{\cyrt}{\cyro}{\cyrishrt} {\cyrp}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyri}{\cyrn}{\cyrery} {\cyrn}{\cyra} {\cyrs}{\cyri}{\cyrl}{\cyro}{\cyrv}{\cyro}{\cyre} {\cyrn}{\cyra}{\cyrg}{\cyrr}{\cyru}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {67--75},
     publisher = {mathdoc},
     volume = {117},
     year = {1990},
     zbl = {0736.73038},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__117_190108/}
}