APA (7th ed.) Citation

Efinov, N. V., & Efinov, N. V. 1. . K. k. a. g. (1964). Quadratic forms and matrices, an introductory approach. Academic Press.

Chicago Style (17th ed.) Citation

Efinov, Nikolai Vladimirovich, and Nikolai Vladimirovich 1909- Kratkii kurs analiticheskol geometrii Efinov. Quadratic Forms and Matrices, an Introductory Approach. New York: Academic Press, 1964.

MLA (9th ed.) Citation

Efinov, Nikolai Vladimirovich, and Nikolai Vladimirovich 1909- Kratkii kurs analiticheskol geometrii Efinov. Quadratic Forms and Matrices, an Introductory Approach. Academic Press, 1964.