Barbu, V. Convexity and Optimization in Banach Spaces / V. Barbu and Th. Precupanu. - Romania : Sijthoff & Noordhott, 1964. - xi, 316 p. ; 22 cm. Includes index. 311 311 Subjects--Topical Terms: Banach spaces--Mathematical optimization. Dewey Class. No.: 517.5 / B119c