APA (7th ed.) Citation

Portenko, N. I. (1990). Generalized diffusion processes. American Mathematical Society.

Chicago Style (17th ed.) Citation

Portenko, N. I. Generalized Diffusion Processes. Providence, R.I.: American Mathematical Society, 1990.

MLA (9th ed.) Citation

Portenko, N. I. Generalized Diffusion Processes. American Mathematical Society, 1990.

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