@book{13622,
	author = {Guckenheimer, John and Moser, Jurgen},
	title = {Dynamical systems; C. I. M. E. lectures, Bressanone, Itlay, June 1978},
	publisher = {Birkhauser,},
	year = {1980},
	series = {Progress in Mathematics },
	address = {Boston:}
}