APA引文

Pogorelov, A. V. (1979). Hilbert's fourth problem. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Pogorelov, Aleksie Vasil'evich. Hilbert's Fourth Problem. New York: John Wiley & Sons, 1979.

MLA引文

Pogorelov, Aleksie Vasil'evich. Hilbert's Fourth Problem. John Wiley & Sons, 1979.