@article{MS_1966__113_2_a9,
     author = {{\CYRYU}.{\CYRI}. {\CYRL}{\cyryu}{\cyrb}{\cyri}{\cyrch} and {\CYRV}.{\CYRI}. {\CYRM}{\cyra}{\cyrc}{\cyra}{\cyre}{\cyrv}},
     title = {{\CYRP}{\cyri}{\cyrs}{\cyrsftsn}{\cyrm}{\cyro} {\cyrv} {\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyryu}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {287--288},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1966},
     zbl = {0184.35704},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1966__113_2_a9/}
}