@book{12965,
	author = {Shimakura, Noria and Shimakura, Norio ; tr.},
	title = {Partial differential operators of elliptic type},
	publisher = {American Mathematical Society},
	year = {1992},
	series = {Translations of Mathematical monographs},
	address = {Providence},
	note = {"Purchased under NBHM grant for the year 1997-98"}
}