Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{DE_1967_3_5_a18, title = {{\CYRN}{\cyri}{\cyrk}{\cyro}{\cyrl}{\cyra}{\cyrishrt} {{\CYRP}{\cyra}{\cyrv}{\cyrl}{\cyro}{\cyrv}{\cyri}{\cyrch}} {{\CYRE}{\cyrr}{\cyru}{\cyrg}{\cyri}{\cyrn}} ({\cyrk}~60-{\cyrl}{\cyre}{\cyrt}{\cyri}{\cyryu} {\cyrs}{\cyro} {\cyrd}{\cyrn}{\cyrya} {\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya})}, journal = {Differencialʹnye uravneni\^a}, pages = {869--872}, publisher = {mathdoc}, volume = {3}, number = {5}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_5_a18/} }
Николай Павлович Еругин (к~60-летию со дня рождения). Differencialʹnye uravneniâ, Tome 3 (1967) no. 5, pp. 869-872. http://geodesic.mathdoc.fr/item/DE_1967_3_5_a18/