@book{68845,
	author = {Jacomy-Régnier},
	title = {Histoire des nombres et de la numération mécanique},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-01-30},
	url = {https://www.gutenberg.org/ebooks/27936}
}