Kovalenko, I.L., Litvin, A.I. and Simonzhenkov, S.D. (1993) “On the calculation of certain singular integrals”, Ukrains’kyi Matematychnyi Zhurnal, 45(8), pp. 1174–1176. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5917 (Accessed: 14 April 2025).