In this paper, the Cauchy type integral for M-analytic function is investigated which is by definition the regular solution of the elliptic system f_x+Mf_y=0, w
Let X be a d-dimensional random vector with unknown density function f(z)=f(z<sub>1</sub>, ···, z<sub>d</sub>), and let f<sub>n</sub> be teh nearest