Sardaryan, T. G., Ts. E. Terjyan, and Kh. A. Khachatryan. “Sardaryan T. G. On the Solvability of One System of Nonlinear Hammerstein-Type Integral Equations on the Semiaxis”. Ukrains’kyi Matematychnyi Zhurnal 69, no. 8 (August 25, 2017): 1107–1122. Accessed April 11, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/1762.