On Kuramochi's paper 'Potentials on Riemann surfaces'

In 1956 Z. Kuramochi [2] defined a new boundary for any open Riemann surface R. It is now called Kuramochi boundary. Rigorous treatments of this boundary are found in Ill and [4]. It shares some properties with inner points of R. For instance, the values of every SHS function 2) are defined on the Kuramochl boundary in [1]. This was also done by Kuramochl [3] but his discussions were not quite clear.