Yefimov, N. V., & Shenitzer, A. (1964). Quadratic forms and matrices: An introductory approach. New York: Academic Press.
Παραπομπή Chicago StyleYefimov, N. V., and A. Shenitzer. Quadratic Forms and Matrices: An Introductory Approach. New York: Academic Press, 1964.
Παραπομπή MLAYefimov, N. V., and A. Shenitzer. Quadratic Forms and Matrices: An Introductory Approach. New York: Academic Press, 1964.
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