@article{DAN_1972_206_6_a25,
     author = {E. A. Volkov},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRA}{\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyre}} {\cyri} {\cyrv}{\cyre}{\cyrs}{\cyro}{\cyrv}{\cyrery}{\cyre} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyri} {\cyrp}{\cyro}{\cyrg}{\cyrr}{\cyre}{\cyrsh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {{\CYRP}{\cyru}{\cyra}{\cyrs}{\cyrs}{\cyro}{\cyrn}{\cyra}} {\cyri} {\cyri}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh}, {\cyrv}{\cyrery}{\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyrya}{\cyre}{\cyrm}{\cyrery}{\cyrh} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyro}{\cyrm} {\cyrs}{\cyre}{\cyrt}{\cyro}{\cyrk}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~192, {\No~4,} 1970~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {776},
     publisher = {mathdoc},
     volume = {206},
     number = {6},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_206_6_a25/}
}