@article{DAN_1971_199_6_a21,
     author = {V. Ya. Gerchiu and A. V. Kuznetsov},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}} {\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro} {\cyra}{\cyrk}{\cyrs}{\cyri}{\cyro}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrz}{\cyri}{\cyrr}{\cyru}{\cyre}{\cyrm}{\cyrery}{\cyrh} {\cyrs}{\cyru}{\cyrp}{\cyre}{\cyrr}{\cyri}{\cyrn}{\cyrt}{\cyru}{\cyri}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyri}{\cyrs}{\cyrt}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrk}{\cyra}{\cyrh}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~195, {\No~6,} 1970~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {742},
     publisher = {mathdoc},
     volume = {199},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_6_a21/}
}