@book{33196,
	author = {Petráš, Ivo. and ebrary, Inc.},
	title = {Fractional-order nonlinear systems},
	publisher = {Springer,},
	year = {2011.},
	series = {Nonlinear physical science,},
	address = {Berlin :},
	note = {"With 119 figures."},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio9390211}
}