Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1973_9_1_a20, author = {V. N. Vragov}, title = {A certain equation of mixed-composite type}, journal = {Differencialʹnye uravneni\^a}, pages = {169--171}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_1_a20/} }
V. N. Vragov. A certain equation of mixed-composite type. Differencialʹnye uravneniâ, Tome 9 (1973) no. 1, pp. 169-171. http://geodesic.mathdoc.fr/item/DE_1973_9_1_a20/