@book{12080,
	author = {Conference on "Operator Algebras, Ideals and their Applications in Theoretical Physics", Leipzig, Sept. 12-20, 1977. and Baumgartel, H. ; ed.},
	title = {Operator algebras, ideals and their applications in theoretical physics},
	publisher = {Teubner,},
	year = {1978},
	address = {Leipzig:}
}