@book{21575,
	author = {Nikolski, Nikolai K. and Hartmann, Andreas ; tr},
	title = {Operators, functions, and systems },
	publisher = {American Mathematical Society},
	year = {2002},
	series = {Mathematical survey and monographs},
	address = {Providence},
	note = {"Purchased under NBHM grant for the year 2001-2002"}
}