APA (7th ed.) Citation

Yang, D. (1987). Involutive hyperbolic differential systems. American Mathematical Society.

Chicago Style (17th ed.) Citation

Yang, Deane. Involutive Hyperbolic Differential Systems. Providence: American Mathematical Society, 1987.

MLA (9th ed.) Citation

Yang, Deane. Involutive Hyperbolic Differential Systems. American Mathematical Society, 1987.

Warning: These citations may not always be 100% accurate.