@misc{DE_1969_5_9_a0,
     title = {{\CYRE}{\cyrv}{\cyrg}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {{\CYRA}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyre}{\cyre}{\cyrv}{\cyri}{\cyrch}} {{\CYRB}{\cyra}{\cyrr}{\cyrb}{\cyra}{\cyrsh}{\cyri}{\cyrn}}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1547--1549},
     publisher = {mathdoc},
     volume = {5},
     number = {9},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_9_a0/}
}