@article{DAN_1973_211_6_a25,
     author = {I. M. Pudovkin and M. M. Pogrebnikov and V. I. Pochtarev and G. R. Bekzhanov},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}} {\cyrp}{\cyrr}{\cyrya}{\cyrm}{\cyro}{\cyrishrt} {\cyrs}{\cyrv}{\cyrya}{\cyrz}{\cyri} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyra}{\cyrg}{\cyrn}{\cyri}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrc}{\cyri}{\cyrishrt} {\cyrs} {\cyrz}{\cyre}{\cyrm}{\cyrl}{\cyre}{\cyrt}{\cyrr}{\cyrya}{\cyrs}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrm}{\cyri}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~208, {\No~5,} 1973~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {760},
     publisher = {mathdoc},
     volume = {211},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_211_6_a25/}
}