@article{DE_1981_17_11_a19,
     author = {L. K. Nikolaev},
     title = {{\CYRR}{\cyra}{\cyrd}{\cyri}{\cyro}{\cyri}{\cyrz}{\cyrl}{\cyru}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrk}{\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrv}{\cyri}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyru}{\cyrm}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyri} {\cyra}{\cyrn}{\cyri}{\cyrz}{\cyro}{\cyrt}{\cyrr}{\cyro}{\cyrp}{\cyrn}{\cyrery}{\cyrishrt} {\cyrr}{\cyre}{\cyrl}{\cyrya}{\cyrt}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrm} {{\CYRB}{\cyro}{\cyrl}{\cyrt}{\cyrya}{\cyrn}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro}}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2097--2100},
     publisher = {mathdoc},
     volume = {17},
     number = {11},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_11_a19/}
}