@article{DE_1969_5_6_a18,
     author = {Yu. S. Bogdanov},
     title = {{\CYRR}{\cyre}{\cyrc}{\cyre}{\cyrn}{\cyrz}{\cyri}{\cyrya}. {{\CYRB}.\,{\CYRP}.~{\CYRD}{\cyre}{\cyrm}{\cyri}{\cyrd}{\cyro}{\cyrv}{\cyri}{\cyrch}} {{\guillemotleft}{\CYRL}{\cyre}{\cyrk}{\cyrc}{\cyri}{\cyri}} {\cyrp}{\cyro} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyri}{\guillemotright}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1138},
     publisher = {mathdoc},
     volume = {5},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_6_a18/}
}