Ayres, Frank, 1901- Schaum's outline of theory and problems of matrices. (Print Resources). By Frank Ayres.- - Singapore: McGraw Hill, c1962. - 219 p. ill.: 26 cm. - Schaum's outline series . Includes Index. ISBN: 007990352 Source: B-17633 Subjects--Topical Terms: Matrices. LC Class. No.: QA188 / .A96 1962