RARE monograph on theory of functions by an eminent American mathematician, teacher, and journal editor Ralph Philip Boas Jr. (1912-1992), author of over 200 papers, mainly in the fields of real and complex analysis. 235x155mm. XII+276 pages. Green cloth Hardcover with spine. Cover slightly curved. Cover and spine stained and rubbed. Cover upper corners slightly bumped. Spine edges bumped. Inner cover slightly age-stained. Pages yellowing and slightly wavy. This extremely rare book on complex analysis is otherwise in good condition.