APA (7th ed.) Citation

Porru, G., Amdeberhan, T., & Vernier-Piro, S. (1998). Maximum principles for a class of nonlinear second order elliptic differential equations.

Chicago Style (17th ed.) Citation

Porru, Giovanni, Tewodros Amdeberhan, and S. Vernier-Piro. Maximum Principles for a Class of Nonlinear Second Order Elliptic Differential Equations. 1998.

MLA (9th ed.) Citation

Porru, Giovanni, et al. Maximum Principles for a Class of Nonlinear Second Order Elliptic Differential Equations. 1998.