@book{5607,
	author = {Burton, David M.},
	title = {Elementary number theory},
	publisher = {McGraw Hill},
	year = {2015},
	address = {New Delhi},
	edition = {7th},
	url = {https://libgen.is/book/index.php?md5=3A7854084298258EF4059920C3429D49}
}