The hypersingular integral equation for the bending moments mxx, and of the Kirchhoff plate 

 -  Computational Mechanics, 15(1), p.19-30, 1994 .
<br/><br/> The four Cauchy data of a Kirchhoff plate are coupled by a system of four integral equations. The first two of these are known. In this paper we derive the third integral equation. It contains hypersingular kernels up to the order r -3.