@book{145906,
	author = {Pflaumann, Erika. and Unger, H. (Heinz), 1914-},
	title = {Funktionalanalysis /},
	publisher = {Bibliographisches Institut,},
	year = {[1968]},
	series = {B.I. Hochschultaschenbucher ;},
	address = {Mannheim :}
}