@book{29042,
	author = {Gray, Alfred. and Abbena,},
	title = {Modern differential geometry of curves and surfaces with mathematica, third edition /},
	publisher = {Chapman and Hall/CRC,},
	year = {2006.},
	series = {Studies in advanced mathematics.},
	address = {[S.l.] :},
	edition = {3rd ed.}
}