@book{34837,
	author = {Shil�nikov, L. P. and ebrary, Inc.},
	title = {Methods of qualitative theory in nonlinear dynamics.},
	publisher = {World Scientific,},
	year = {2001.},
	series = {World scientific series on nonlinear science. Series A, Monographs and treatises ;},
	address = {Singapore ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10255836}
}