@article{01582306,
title = {A note on uniqueness of Cauchy problems associated to planar Hamiltonian systems.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {57},
year = {2000},
pages = {415-419},
zbl = {0979.37032},
language = {en},
url = {http://dml.mathdoc.fr/item/01582306}
}
Rebelo, C. A note on uniqueness of Cauchy problems associated to planar Hamiltonian systems.. Portugaliae Mathematica. Nova Série, Tome 57 (2000) pp. 415-419. http://gdmltest.u-ga.fr/item/01582306/