@article{MS_1986__173_3_a6,
     author = {{\CYRV}.{\CYRA}. {\CYRG}{\cyra}{\cyrl}{\cyra}{\cyrk}{\cyrt}{\cyri}{\cyro}{\cyrn}{\cyro}{\cyrv} and {\CYRS}.{\CYRP}. {\CYRK}{\cyru}{\cyrr}{\cyrd}{\cyryu}{\cyrm}{\cyro}{\cyrv} and {\CYRA}.{\CYRA}. {\CYRS}{\cyra}{\cyrm}{\cyra}{\cyrr}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRP}{\cyri}{\cyrs}{\cyrsftsn}{\cyrm}{\cyro} {\cyrv} {\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyryu}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {413--413},
     publisher = {mathdoc},
     volume = {173},
     number = {3},
     year = {1986},
     zbl = {0652.35059},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1986__173_3_a6/}
}