1. L. V. Ahlfors and L. Sario,Riemann Surfaces, Princeton, 1960.
2. H. Aikawa,Quasiadditivity of capacity and minimal thinness, Ann. Acad. Sci. Fenn. Ser. A I Math.18 (1993), 65–75.
3. J. Bliedtner and W. Hansen,Potential Theory, Springer, Berlin, 1986.
4. Lecture Notes in Math.;M. Brelot,1971
5. C. Constantinescu and A. Cornea,Ideale Ränder Riemannscher Flächen, Springer, Berlin, 1969.