@conference {5430,
	title = {A new approach to the initial value problem},
	booktitle = {5th Portuguese Conference on Automatic Control. :377{\textendash}382},
	year = {2002},
	abstract = {<p>n/a</p>
},
	url = {http://oa.uninova.pt/1041/},
	author = {Ortigueira, M.}
}
