@article{DAN_1970_190_6_a19,
     author = {Yu. G. Borisovich and B. D. Gel'man and \`E. M. Muhamadiev and V. V. Obukhovskii},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}} {\cyrv}{\cyrr}{\cyra}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrv}{\cyre}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrl}{\cyre}{\cyrishrt}'' {({\CYRD}{\CYRA}{\CYRN},} 187, {\No~5,} 1969~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {750},
     publisher = {mathdoc},
     volume = {190},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_6_a19/}
}