@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} {``{\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}~$N_2$'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~146, {\No~1,} 1962~{\cyrg}.)}, journal = {Doklady Akademii Nauk}, pages = {750}, publisher = {mathdoc}, volume = {151}, number = {4}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_4_a40/} }