Khachatryan, Khachatur, Haykanush Petrosyan, and Aleksandr Hakobyan. 2023. “On Some Systems of Nonlinear Integral Equations on the Whole Axis With Monotonous Hammerstein-Volterra Type Operators”. Eurasian Mathematical Journal 14 (3):35-53. https://emj.enu.kz/index.php/main/article/view/291.