@book{13041,
	author = {Boob-Bavnbek, Bernhelm and Wojciechowski, Krzysztof P. and Wojciechowski, Krzysztof P. ; jt. auth.},
	title = {Elliptic boundary problems for dirac operators},
	publisher = {Birkhauser},
	year = {1993},
	series = {Mathematics},
	address = {Boston}
}