@article{DAN_1981_258_1_a23,
     author = {O. Ya. Viro},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRK}{\cyrr}{\cyri}{\cyrv}{\cyrery}{\cyre}} {\cyrs}{\cyrt}{\cyre}{\cyrp}{\cyre}{\cyrn}{\cyri} $7$, {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyrery}{\cyre} {\cyrs}{\cyrt}{\cyre}{\cyrp}{\cyre}{\cyrn}{\cyri} $8$ {\cyri} {\cyrg}{\cyri}{\cyrp}{\cyro}{\cyrt}{\cyre}{\cyrz}{\cyra} {{\CYRR}{\cyrerev}{\cyrg}{\cyrs}{\cyrd}{\cyre}{\cyrishrt}{\cyrl}}},
     journal = {Doklady Akademii Nauk},
     pages = {10},
     publisher = {mathdoc},
     volume = {258},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_1_a23/}
}