A general technique is developed for the solution of quadruple integral equations involving trigonometric kernels. Four such sets are solved explicitly. Application is made to the problem of three-collinear cracks in linear plane elasticity.
Lee, S. Y. (1964). On the Dual Integral Equation. Chinese Journal of Physics, 2(1), 23-27. https://www.airitilibrary.com/Article/Detail?DocID=05779073-196404-201310020002-201310020002-23-27