Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1975_11_1_a21, author = {Z. D. Dublya}, title = {A certain fourth order equation of composite type}, journal = {Differencialʹnye uravneni\^a}, pages = {183--185}, publisher = {mathdoc}, volume = {11}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_1_a21/} }
Z. D. Dublya. A certain fourth order equation of composite type. Differencialʹnye uravneniâ, Tome 11 (1975) no. 1, pp. 183-185. http://geodesic.mathdoc.fr/item/DE_1975_11_1_a21/