@article{MS_1987__172_3_a1,
     author = {{\CYRA}.{\CYRK}. {\CYRF}{\cyrr}{\cyra}{\cyrg}{\cyre}{\cyrl}{\cyra}},
     title = {{\CYRO} {\cyrv}{\cyro}{\cyrz}{\cyrm}{\cyru}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrp}{\cyro}{\cyrl}{\cyri}{\cyrg}{\cyra}{\cyrr}{\cyrm}{\cyro}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra} {\cyrs} {\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrt}{\cyra}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrp}{\cyro}{\cyrt}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyra}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {386--393},
     publisher = {mathdoc},
     volume = {172},
     number = {3},
     year = {1987},
     zbl = {0652.31005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__172_3_a1/}
}