APA (7th ed.) Citation

Troianiello, G. M. (1987). Elliptic differential equations and obstacle problems. Plenum Press.

Chicago Style (17th ed.) Citation

Troianiello, Giovanni Maria. Elliptic Differential Equations and Obstacle Problems. New York: Plenum Press, 1987.

MLA (9th ed.) Citation

Troianiello, Giovanni Maria. Elliptic Differential Equations and Obstacle Problems. Plenum Press, 1987.