@article {746,
	title = {Unpredictability in Hamiltonian systems with a hierarchical phase space},
	journal = {Physics Letters A},
	volume = {431},
	year = {2022},
	pages = {127991},
	issn = {03759601},
	doi = {10.1016/j.physleta.2022.127991},
	url = {https://linkinghub.elsevier.com/retrieve/pii/S0375960122000731},
	author = {Sales, M. R. and Mugnaine, M. and Viana, R. L. and Caldas, I. L. and Szezech, J. D.}
}
@article {667,
	title = {Using rotation number to detect sticky orbits in Hamiltonian systems},
	journal = {Chaos: An Interdisciplinary Journal of Nonlinear Science},
	volume = {29},
	year = {2019},
	month = {Jan-04-2019},
	pages = {043125},
	issn = {1054-1500},
	doi = {10.1063/1.5078533},
	url = {http://aip.scitation.org/doi/10.1063/1.5078533http://aip.scitation.org/doi/pdf/10.1063/1.5078533},
	author = {M.S. Santos and Michele Mugnaine and J.D. Szezech and Antonio Marcos Batista and I. L. Caldas and R L Viana}
}
