EvtushenkoA.A., and PrikarpatskyA.K. 1992. “Parametric Integro-Interpolation Method of Solving Singular Integral Equations ”. Ukrains’kyi Matematychnyi Zhurnal 44 (11), 1614-17. https://umj.imath.kiev.ua/index.php/umj/article/view/8265.