@book{6952,
	author = {Lavendhomme, René.},
	title = {Basic concepts of synthetic differential geometry /},
	publisher = {Kluwer Academic,},
	year = {c1996.},
	series = {Kluwer texts in the mathematical sciences ;},
	address = {Dordrecht ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0822/96000204-d.html}
}