Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1972_8_3_a17, author = {V. I. Zubov}, title = {The existence and uniqueness of solutions of nonlinear equations}, journal = {Differencialʹnye uravneni\^a}, pages = {539--540}, publisher = {mathdoc}, volume = {8}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_3_a17/} }
V. I. Zubov. The existence and uniqueness of solutions of nonlinear equations. Differencialʹnye uravneniâ, Tome 8 (1972) no. 3, pp. 539-540. http://geodesic.mathdoc.fr/item/DE_1972_8_3_a17/