@conference {5403,
	title = {Considerations about the choice of a differintegrator},
	booktitle = {International Conference on Computacional Cybernetics},
	year = {2004},
	month = {September},
	abstract = {<p>n/a</p>
},
	url = {http://oa.uninova.pt/323/},
	author = {Ortigueira, M. and J.A. Tenreiro-Machado and J. S{\'a} da Costa}
}
