@book{23709,
	author = {Rogawski, Jon,},
	title = {Calculus},
	publisher = {W.H Freeman & Company},
	year = {2015},
	address = {New York},
	url = {https://www.libgen.is/book/index.php?md5=819A4E6F606D3C1F4CD18D56730AB316}
}