Lagrangian singularities of invariant tori of hamiltonian systems with two degrees of freedom.
Bialy, M.L., Polterovich, L.V.
Inventiones mathematicae, Tome 96 (1989), p. 291-304 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1989-01-01
EUDML-ID : urn:eudml:doc:143703 
@article{GDZPPN002106566,
     title = {Lagrangian singularities of invariant tori of hamiltonian systems with two degrees of freedom.},
     journal = {Inventiones mathematicae},
     volume = {96},
     year = {1989},
     pages = {291-304},
     zbl = {0675.58016},
     url = {http://dml.mathdoc.fr/item/GDZPPN002106566}
}

Bialy, M.L., Polterovich, L.V. Lagrangian singularities of invariant tori of hamiltonian systems with two degrees of freedom.. Inventiones mathematicae, Tome 96 (1989) pp. 291-304. http://gdmltest.u-ga.fr/item/GDZPPN002106566/