@book{77480,
	author = {Lagrange, J. L. and McCormack, Thomas J.},
	title = {Lectures on Elementary Mathematics},
	publisher = {Project Gutenberg,},
	year = {2011},
	address = {Salt Lake City, UT :},
	note = {Release date is 2011-07-06},
	url = {https://www.gutenberg.org/ebooks/36640}
}