SARDARYAN, T. G.; TERJYAN, Ts. E.; KHACHATRYAN, Kh. A. Sardaryan T. G. On the solvability of one system of nonlinear Hammerstein-type integral equations on the semiaxis. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 8, p. 1107–1122, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1762. Acesso em: 5 dec. 2025.