@book{50475,
	author = {Boyer, Carl B.},
	title = {The history of the calculus and its conceptual development.},
	publisher = {Dover,},
	year = {1949},
	address = {New York :},
	note = {"This new Dover edition first published in 1959 is an unabridged and unaltered republication of the work first published in 1949 under the title: The concepts of the calculus."}
}