@article{DAN_1968_179_6_a17,
     author = {Yu. G. Borisovich and V. F. Subbotin},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {{\textquotedblleft}{\CYRO}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}} {\cyrs}{\cyrd}{\cyrv}{\cyri}{\cyrg}{\cyra} {\cyrp}{\cyro} {\cyrt}{\cyrr}{\cyra}{\cyre}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyri}{\cyrya}{\cyrm} {\cyrerev}{\cyrv}{\cyro}{\cyrl}{\cyryu}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyri} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya}{\textquotedblright}},
     journal = {Doklady Akademii Nauk},
     pages = {1333},
     year = {1968},
     volume = {179},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_6_a17/}
}