@book{29551,
	author = {Bonfiglioli, A. and Lanconelli, E.},
	title = {Stratified lie groups and potential theory for their sub-laplacians},
	publisher = {Springer,},
	year = {2007},
	address = {New York:},
	note = {"Purchased under NBHM grant for the year 2007-2008"}
}