@book{367162,
	author = {Sandor, J., and Todorov Atanassov, Krassimir,},
	title = {Arithmetic functions /},
	publisher = {Nova Science Publishers,},
	year = {[2021]},
	address = {New York, New York :},
	note = {Includes index.},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=6607099}
}