@article{DAN_1963_151_4_a40,
     author = {A. F. Andreev},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {{\textquotedblleft}{\CYRU}{\cyrs}{\cyri}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre}} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {\cyre}{\cyrd}{\cyri}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} $O$-{\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyro}{\cyrishrt} {\cyrv}~$N_2${\textquotedblright} {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~146, ~1, 1962~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {750},
     year = {1963},
     volume = {151},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_4_a40/}
}