@article{MI_1989__111_190060,
     author = {{\CYRV}.{\CYRI}. {\CYRA}{\cyrr}{\cyrn}{\cyra}{\cyru}{\cyrt}{\cyro}{\cyrv} and {\CYRA}.{\CYRV}. {\CYRM}{\cyri}{\cyrh}{\cyra}{\cyrl}{\cyre}{\cyrv}},
     title = {{\CYRP}{\cyrr}{\cyro}{\cyrd}{\cyro}{\cyrl}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrishrt} {\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrc}{\cyra} {\cyri} {\cyrd}{\cyri}{\cyrs}{\cyrk}{\cyrr}{\cyre}{\cyrt}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrm}{\cyro}{\cyrn}{\cyro}{\cyri}{\cyrd}{\cyra} {\cyrn}{\cyra} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyro}{\cyrv}{\cyro}{\cyre} {\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrc}{\cyro}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {9--23},
     publisher = {mathdoc},
     volume = {111},
     year = {1989},
     zbl = {0715.16014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1989__111_190060/}
}