@article{MS_1974__136_1_a7,
     author = {{\CYRA}.{\CYRA}. {\CYRG}{\cyro}{\cyrn}{\cyrch}{\cyra}{\cyrr}},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyre} {{\CYRS}{\cyra}{\cyrf}{\cyrf}{\cyra}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {152--157},
     publisher = {mathdoc},
     volume = {136},
     number = {1},
     year = {1974},
     zbl = {0302.30006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1974__136_1_a7/}
}