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@article{DE_1992_28_8_a5, author = {V. S. Pronkin}, title = {On the existence of a quasiperiodic solution of a nonlinear differential equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1339--1346}, publisher = {mathdoc}, volume = {28}, number = {8}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_8_a5/} }
V. S. Pronkin. On the existence of a quasiperiodic solution of a nonlinear differential equation. Differencialʹnye uravneniâ, Tome 28 (1992) no. 8, pp. 1339-1346. http://geodesic.mathdoc.fr/item/DE_1992_28_8_a5/