GоlоvachК. P., and КalaіdaA. F. “Application of the Quadrature Iteration Method of Finding Eigenvalues and Eigenfunctions of an Integral Operator”. Ukrains’kyi Matematychnyi Zhurnal 23, no. 3 (April 26, 1971): 367-372. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8564.