@article{DE_1985_21_10_a34,
     author = {A. A. Martynyuk and V. V. Rumyantsev},
     title = {{\CYRK}{\cyro}{\cyrl}{\cyrl}{\cyro}{\cyrk}{\cyrv}{\cyri}{\cyru}{\cyrm} {\cyrp}{\cyro} {\cyrk}{\cyra}{\cyrch}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\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} 
},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1829--1832},
     publisher = {mathdoc},
     volume = {21},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a34/}
}