1. P. Ebenfelt, D. Khavinson, and H. S. Shapiro, “A free boundary problem related to singlelayer potentials,” Ann. Acad. Sci. Fenn. Math., 27, No. 1, 21–46 (2002).
2. S. J. Gardiner, “An equilibrium measure characterization of circles,” Forum Math., 14, 953–954 (2002).
3. K. Oyma, “Non-Smirnov domains,” Proc. Amer. Math. Soc., 123, No. 5, 1425–1429 (1995).
4. A. Katok and B. Hasselblatt, “Introduction to the modern theory of dynamical systems,” With a supplementary chapter by Katok and Leonardo Mendoza, Encyclopedia of Mathematics and its Applications, 54, Cambridge University Press, Cambridge (1995).
5. M. W. Keldysh and M. A. Lavrentiev, “Sur la repréntation conforme des domaines limités par des courbes rectifiables,” Ann. Sci.École Norm. Sup. (3), 54, 1–38 (1937).