@book{16240,
	author = {Symposium on Convexity and Duality in Optimization, Univ. of Groningen, The Netherlands, June 22, 1984 and Bonstein, Jacob},
	title = {Convexity and duality in optimization; proceedings /},
	publisher = {Springer-Verlag,},
	year = {1985},
	address = {Berlin:}
}