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@article{MZ_1993__213_1_174526, author = {J\"urgen P\"oschel}, title = {Nekhoroshev estimates for quasi-convex hamiltonian systems.}, journal = {Mathematische Zeitschrift}, pages = {187--216}, publisher = {mathdoc}, volume = {213}, number = {1}, year = {1993}, zbl = {0857.70009}, url = {http://geodesic.mathdoc.fr/item/MZ_1993__213_1_174526/} }
Jürgen Pöschel. Nekhoroshev estimates for quasi-convex hamiltonian systems.. Mathematische Zeitschrift, Tome 213 (1993) no. 1, pp. 187-216. http://geodesic.mathdoc.fr/item/MZ_1993__213_1_174526/