Khachatryan, A. K., & Khachatryan, K. A. (2008). Factorization of a convolution-type integro-differential equation on the positive half line. Ukrains’kyi Matematychnyi Zhurnal, 60(11), 1555–1567. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/3269