@article{MI_1987__92_189898,
     author = {{\CYRN}.{\CYRI}. {\CYRV}{\cyru}{\cyrl}{\cyrp}{\cyre} and {\CYRS}.{\CYRI}. {\CYRK}{\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrsh}},
     title = {{\CYRC}{\cyre}{\cyrn}{\cyrt}{\cyrr}{\cyro}{\cyra}{\cyrf}{\cyrf}{\cyri}{\cyrn}{\cyrn}{\cyro}-{\cyri}{\cyrn}{\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyru}{\cyrs}{\cyrl}{\cyro}{\cyrv}{\cyri}{\cyrya} {\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrch}{\cyri}{\cyrya} {\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrc}{\cyri}{\cyrk}{\cyrl}{\cyra} {\cyru} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {{\CYRD}{\cyra}{\cyrr}{\cyrb}{\cyru}}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {38--42},
     publisher = {mathdoc},
     volume = {92},
     year = {1987},
     zbl = {0635.34024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1987__92_189898/}
}