@misc{DE_1967_3_12_a18,
     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}} ({\cyrk}~50-{\cyrl}{\cyre}{\cyrt}{\cyri}{\cyryu} {\cyrs}{\cyro} {\cyrd}{\cyrn}{\cyrya} {\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya})},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2179--2183},
     publisher = {mathdoc},
     volume = {3},
     number = {12},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_12_a18/}
}