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@article{DE_1970_6_5_a3, author = {V. I. Fodchuk}, title = {Integral manifolds for nonlinear differential equations with retarded argument}, journal = {Differencialʹnye uravneni\^a}, pages = {798--808}, publisher = {mathdoc}, volume = {6}, number = {5}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_5_a3/} }
V. I. Fodchuk. Integral manifolds for nonlinear differential equations with retarded argument. Differencialʹnye uravneniâ, Tome 6 (1970) no. 5, pp. 798-808. http://geodesic.mathdoc.fr/item/DE_1970_6_5_a3/