@article{MI_1987__92_189907,
     author = {{\CYRN}.{\CYRS}. {\CYRF}{\cyra}{\cyrl}{\cyrsftsn}{\cyrk}{\cyro}},
     title = {{\CYRK} {\cyrv}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyru} {\cyrs}{\cyru}{\cyrshch}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrg}{\cyrl}{\cyro}{\cyrb}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyra}-{\CYRK}{\cyrr}{\cyra}{\cyrs}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro},} {\cyrz}{\cyra}{\cyrv}{\cyri}{\cyrs}{\cyrya}{\cyrshch}{\cyri}{\cyrh} {\cyro}{\cyrt} {\cyrd}{\cyrv}{\cyru}{\cyrh} {\cyrv}{\cyre}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyra}{\cyrr}{\cyrg}{\cyru}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyro}{\cyrv}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {137--142},
     publisher = {mathdoc},
     volume = {92},
     year = {1987},
     zbl = {0636.34047},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1987__92_189907/}
}