Niven, Ivan Morton, 1915- Irrational numbers/ by Ivan Niven. - [Buffalo]: [New York]: Mathematical Association of America, J. Wiley, 1967, c1956. - 164 p.; 19 cm. - Carus mathematical monographs; 11 . Includes indexes. Bibliography: p. 157. Subjects--Topical Terms: Irrational numbers. Dewey Class. No.: 512.7 / N734i