@article{MS_1975__140_1_a4,
     author = {{\CYRS}.{\CYRA}. {\CYRB}{\cyro}{\cyrg}{\cyra}{\cyrt}{\cyrery}{\cyrishrt} and {\CYRM}. {\CYRM}{\cyra}{\cyrd}{\cyri}{\cyrr}{\cyri}{\cyrm}{\cyro}{\cyrv}},
     title = {{\CYRK} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrr}{\cyra}{\cyrz}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrz}{\cyru}{\cyre}{\cyrm}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv} {\cyrs} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrm}{\cyri} {\cyrg}{\cyro}{\cyrm}{\cyre}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyri}{\cyrz}{\cyrm}{\cyra}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {72--83},
     publisher = {mathdoc},
     volume = {140},
     number = {1},
     year = {1975},
     zbl = {0317.54043},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1975__140_1_a4/}
}