@misc{DE_1967_3_5_a18,
     title = {{\CYRN}{\cyri}{\cyrk}{\cyro}{\cyrl}{\cyra}{\cyrishrt} {{\CYRP}{\cyra}{\cyrv}{\cyrl}{\cyro}{\cyrv}{\cyri}{\cyrch}} {{\CYRE}{\cyrr}{\cyru}{\cyrg}{\cyri}{\cyrn}} ({\cyrk}~60-{\cyrl}{\cyre}{\cyrt}{\cyri}{\cyryu} {\cyrs}{\cyro} {\cyrd}{\cyrn}{\cyrya} {\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya})},
     journal = {Differencialʹnye uravneni\^a},
     pages = {869--872},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_5_a18/}
}