@book{11442,
	author = {International School of Mathematics on Variational In-equalities and Complimentarity problems in Mathematical Physics and Economics, Sicily, 19-30 June, 1978 and Cottle, R. W.},
	title = {Variational inequalities and complimentarity problems},
	publisher = {John Wiley,},
	year = {1980},
	address = {New York:}
}