@article{DAN_1973_212_2_a22,
     author = {S. Ts. Akopyan and V. N. Zharkov and V. M. Lyubimov},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRT}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyrya}} {\cyrv}{\cyro}{\cyrz}{\cyrm}{\cyru}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrd}{\cyrl}{\cyrya} {\cyrr}{\cyra}{\cyrd}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyro}{\cyrl}{\cyre}{\cyrb}{\cyra}{\cyrn}{\cyri}{\cyrishrt} {{\CYRZ}{\cyre}{\cyrm}{\cyrl}{\cyri}.} {{\CYRV}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyre}} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~210, {\No~3,} 1973~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {272},
     publisher = {mathdoc},
     volume = {212},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_2_a22/}
}