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@article{DAN_1972_202_1_a8, author = {L. D. Pustyl'nikov}, title = {On stability of half-trajectories under area-preserving mappings of the plane}, journal = {Doklady Akademii Nauk}, pages = {38--40}, publisher = {mathdoc}, volume = {202}, number = {1}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_1_a8/} }
L. D. Pustyl'nikov. On stability of half-trajectories under area-preserving mappings of the plane. Doklady Akademii Nauk, Tome 202 (1972) no. 1, pp. 38-40. http://geodesic.mathdoc.fr/item/DAN_1972_202_1_a8/