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@article{DE_1968_4_4_a10, author = {V. E. Popovich}, title = {Estimate of the error in the method of successive approximations}, journal = {Differencialʹnye uravneni\^a}, pages = {668--674}, publisher = {mathdoc}, volume = {4}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_4_a10/} }
V. E. Popovich. Estimate of the error in the method of successive approximations. Differencialʹnye uravneniâ, Tome 4 (1968) no. 4, pp. 668-674. http://geodesic.mathdoc.fr/item/DE_1968_4_4_a10/