Herrera, I., & Bielak, J. (1975). Applications of dual principles to diffusion equations. UNAM.
Chicago Style (17th ed.) CitationHerrera, Ismael, and Jacobo Bielak. Applications of Dual Principles to Diffusion Equations. México: UNAM, 1975.
MLA (9th ed.) CitationHerrera, Ismael, and Jacobo Bielak. Applications of Dual Principles to Diffusion Equations. UNAM, 1975.
Warning: These citations may not always be 100% accurate.