@article {594,
	title = {Comment on {\textquotedblleft}A note on the construction of the Ermakov-Lewis invariant{\textquotedblright}},
	journal = {J. Phys. A: Math. Gen},
	volume = {35},
	year = {2002},
	pages = {9943},
	attachments = {https://professor.ufrgs.br/sites/default/files/fernando-haas/files/comment_note.pdf},
	author = {F. Haas and J. Goedert}
}
