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@article{PORMA_2000__57_4_49053, author = {Rebelo, C.}, title = {A note on uniqueness of {Cauchy} problems associated to planar {Hamiltonian} systems.}, journal = {Portugaliae mathematica}, pages = {415--419}, publisher = {mathdoc}, volume = {57}, number = {4}, year = {2000}, zbl = {0979.37032}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_2000__57_4_49053/} }
Rebelo, C. A note on uniqueness of Cauchy problems associated to planar Hamiltonian systems.. Portugaliae mathematica, Tome 57 (2000) no. 4, pp. 415-419. http://geodesic.mathdoc.fr/item/PORMA_2000__57_4_49053/