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@article{DE_1992_28_1_a5, author = {A. A. Dezin}, title = {On elementary nonlinear problems}, journal = {Differencialʹnye uravneni\^a}, pages = {52--59}, publisher = {mathdoc}, volume = {28}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_1_a5/} }
A. A. Dezin. On elementary nonlinear problems. Differencialʹnye uravneniâ, Tome 28 (1992) no. 1, pp. 52-59. http://geodesic.mathdoc.fr/item/DE_1992_28_1_a5/