@article{DAN_1973_210_3_a20,
     author = {V. I. Bukreev and O. F. Vasiliev and Yu. M. Lytkin},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}} {\cyrv}{\cyrl}{\cyri}{\cyrya}{\cyrn}{\cyri}{\cyri} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyrery} {\cyrt}{\cyre}{\cyrl}{\cyra} {\cyrn}{\cyra} {\cyrh}{\cyra}{\cyrr}{\cyra}{\cyrk}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyrs}{\cyrt}{\cyri}{\cyrk}{\cyri} {\cyra}{\cyrv}{\cyrt}{\cyro}{\cyrm}{\cyro}{\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyro}{\cyrs}{\cyre}{\cyrs}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyra}'' 
},
     journal = {Doklady Akademii Nauk},
     pages = {10},
     publisher = {mathdoc},
     volume = {210},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a20/}
}