@book{2123,
	author = {Sen, Amartya and Foster, James E.},
	title = {On economic inequality /},
	publisher = {Oxford University Press,},
	year = {1997.},
	address = {Delhi ;},
	edition = {Enl. ed. / James E. Foster and Amartya Sen.},
	note = {Originally published: 1973.}
}