@article{DE_1967_3_9_a19,
     author = {A. R. Shakun},
     title = {{\CYRN}{\cyro}{\cyrv}{\cyrery}{\cyre} {\cyrk}{\cyrn}{\cyri}{\cyrg}{\cyri}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1614--1615},
     publisher = {mathdoc},
     volume = {3},
     number = {9},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_9_a19/}
}