 is developed. The solution is presented in the form of a summation of
 is developed. The solution is presented in the form of a summation of  matrices. Each term in the summation is a function of the matrices
 matrices. Each term in the summation is a function of the matrices  and
 and  as well as elements of the Schwarz form.
 as well as elements of the Schwarz form.  numerical example is considered to illustrate the method of solution.
 numerical example is considered to illustrate the method of solution.