@article{DAN_1966_171_6_a20,
     author = {Pavel Todorov},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}~{\cyrp}{\cyro}{\cyrl}{\cyryu}{\cyrs}{\cyra}{\cyrh}} {\cyri} {\cyrr}{\cyra}{\cyrd}{\cyri}{\cyru}{\cyrs}{\cyre} {\cyrk}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrv}{\cyro}{\cyrishrt} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrl}{\cyri}{\cyrs}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrm}{\cyre}{\cyrr}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra} $\Phi$'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~168, {\No~3,} 1966~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {766},
     publisher = {mathdoc},
     volume = {171},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_6_a20/}
}