Schaible Siegfried Ed. Proceeding on Generalized concavity in optimization and economics Schaible Siegfried Ed.; Ziemba Willian T Ed. - New York Academic Press 1981 - xiv, 767p. cm. Standard No.: 21053 Source: Textual Subjects--Topical Terms: Concave functions EconomicsMatheatical optimization Dewey Class. No.: B2893p1,N80, M1