@article{DAN_1976_227_2_a23,
     author = {D. V. Zagrebin},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}} {\cyrg}{\cyrr}{\cyra}{\cyrv}{\cyri}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyro}{\cyrl}{\cyre} {{\CYRM}{\cyra}{\cyrr}{\cyrs}{\cyra}''} {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~219, {\No~1,} 1974~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {264},
     publisher = {mathdoc},
     volume = {227},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_227_2_a23/}
}