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@article{MAT_1962_6_5_a5, author = {J. Moser}, title = {On invariant curves of area-preserving mapping of an annulus}, journal = {Matematika}, pages = {51--68}, publisher = {mathdoc}, volume = {6}, number = {5}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1962_6_5_a5/} }
J. Moser. On invariant curves of area-preserving mapping of an annulus. Matematika, Tome 6 (1962) no. 5, pp. 51-68. http://geodesic.mathdoc.fr/item/MAT_1962_6_5_a5/