@book{20108,
	author = {Nair M.Thamban},
	title = {Calculus of one variable},
	publisher = {Ane Books},
	year = {2015},
	address = {New Delhi},
	url = {https://libgen.is/book/index.php?md5=F22DAD95D7668BCD9E38FB0D2B0FBB08}
}