@book{7581,
	author = {Whittaker, E. T. and Watson, G. N.},
	title = {A course of modern analysis,},
	publisher = {The University Press,},
	year = {1920.},
	address = {Cambridge [Eng.]},
	edition = {3rd ed., },
	note = {"First edition 1902 ... Fourth edition 1927 ... Reprinted 1940."}
}