@proceedings {615,
	title = {On the Hamiltonian structure of Ermakov systems},
	journal = {III Encontro Brasileiro de F{\'\i}sica dos Plasmas},
	year = {1995},
	month = {1995},
	pages = {248},
	publisher = {Anais do III Encontro Brasileiro de F{\'\i}sica dos Plasmas},
	address = {{\'A}guas de Lind{\'o}ia},
	attachments = {https://professor.ufrgs.br/sites/default/files/fernando-haas/files/hamiltonian_ermakov.pdf},
	author = {F. Haas and J. Goedert}
}
