Cita APA (7th ed.)

Heinonen, J., Kilpeläinen, T., & Martio, O. (1993). Nonlinear potential theory of degenerate elliptic equations. Clarendon Press ; Oxford University Press.

Cita Chicago (17th ed.)

Heinonen, Juha, Tero Kilpeläinen, i Olli Martio. Nonlinear Potential Theory of Degenerate Elliptic Equations. Oxford ; New York : New York: Clarendon Press ; Oxford University Press, 1993.

Cita MLA (8th ed.)

Heinonen, Juha, et al. Nonlinear Potential Theory of Degenerate Elliptic Equations. Clarendon Press ; Oxford University Press, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.