@book{36009,
	author = {Menini, Laura. and Tornambè, Antonio. and SpringerLink (Online service)},
	title = {Symmetries and Semi-invariants in the Analysis of Nonlinear Systems},
	publisher = {Springer London,},
	year = {2011.},
	address = {London :},
	url = {http://dx.doi.org/10.1007/978-0-85729-612-2}
}