Yefimov, N. V. (1964). Quadratic forms and matrices: An introductory approach. Academic Press.
Cita Chicago (17th ed.)Yefimov, N. V. Quadratic Forms and Matrices: An Introductory Approach. Nueva York: Academic Press, 1964.
Cita MLA (9th ed.)Yefimov, N. V. Quadratic Forms and Matrices: An Introductory Approach. Academic Press, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.