Mean value formula for harmonic functions on a circular sector.

The article offers information on how to determine the mean value formula for circular mathematical sector's harmonic functions. It presents the solution to delineate the mean value formula's validity for homogeneous boundary conditions. In addition, it cites the statement of the problems along with its domain, boundary condition imposition, and formula. It highlights the computational method and formula in finding the Euler gamma-function. Furthermore, the use of coefficients in search for the mean value formula's solution is also suggested.