@article{05497717,
title = {Existence and distribution of limit cycles in a Hamiltonian system.},
journal = {Applied Mathematics E-Notes [electronic only]},
volume = {6},
year = {2006},
pages = {176-185},
zbl = {1165.34020},
language = {en},
url = {http://dml.mathdoc.fr/item/05497717}
}
Tigan, Gheorghe. Existence and distribution of limit cycles in a Hamiltonian system.. Applied Mathematics E-Notes [electronic only], Tome 6 (2006) pp. 176-185. http://gdmltest.u-ga.fr/item/05497717/