@book{28757,
	author = {Bluman , Stephen C. Anco George W.},
	title = {Symmetry and integration methods for differential equations by george W. bluman , stephen C. anco B01_0336 /},
	publisher = {Springer,},
	year = {2002.},
	address = {[S.l.] :},
	note = {Paperback.}
}