Valentine, Frederick A. 1911- Convex sets / Frederick A. Valentine. - New York : McGraw-Hill, c1964 - ix, 238 p. : ill. ; 24 cm. - McGraw-Hill series in higher mathematics . - McGraw-Hill series in higher mathematics. . Includes Bibliography: p. 209-232. and index. Subjects--Topical Terms: Set theory. Dewey Class. No.: 513.5 / VAC 1964