Khachatryan, A. Kh., and Kh. A. Khachatryan. “Factorization of a Convolution-Type Integro-Differential Equation on the Positive Half Line”. Ukrains’kyi Matematychnyi Zhurnal 60, no. 11 (November 25, 2008): 1555–1567. Accessed March 28, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3269.