1. L. V. Ahlfors,Conformal Invariants, McGraw-Hill, New York, 1973.
2. B. Dittmar and A. Yu. Solynin,Distortion of the hyperbolic Robin capacity under a conformal mapping, and extremal configurations, Zap. Nauchn. Sem POMI263 (2000), 49–69 (in Russian).
3. P. L. Duren,Univalent Functions, Springer-Verlag, New York, 1983.
4. P. Duren,Robin capacity, inComputational Methods and Function Theory (CMFT '97) (N. Papamichael, St. Ruscheweyh and E. B. Saff, eds.), World Scientific Publishing Co., Singapore, 1999, pp. 177–190.
5. P. Duren and J. Pfaltzgraff,Robin capacity and extremal length, J. Math. Anal. Appl.179 (1993), 110–119.