@article{DE_1989_25_8_a30,
     author = {A. K. Gushchin and Yu. N. Drozhzhinov and V. M. Millionshchikov and V. P. Mikhailov},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {H.~{\CYRI}.~{\CYRG}{\cyra}{\cyrv}{\cyrr}{\cyri}{\cyrl}{\cyro}{\cyrv}{\cyra}:} {VII} {\cyrv}{\cyrs}{\cyre}{\cyrs}{\cyro}{\cyryu}{\cyrz}. {\cyrk}{\cyro}{\cyrn}{\cyrf}. {{\guillemotleft}{\CYRK}{\cyra}{\cyrch}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyra}{\cyrya}} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyrya} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}{\guillemotright}, 3--7 {\cyra}{\cyrp}{\cyrr}. 1980~{\cyrg}.},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1465},
     publisher = {mathdoc},
     volume = {25},
     number = {8},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_8_a30/}
}