@book{11012,
	author = {Colloquium on Convex Analysis and Optimization, Imperial College, London, Feb. 28-29, 1980 and Vinter, R. B.},
	title = {Convex analysis and optimization; papers in honour of Alexander D. Ioffe /},
	publisher = {Pitman,},
	year = {1982},
	address = {Boston:}
}