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.