KHACHATRYAN, A.; KHACHATRYAN, K. On solvability of a nonlinear problem in theory of income distribution. Eurasian Mathematical Journal, [S. l.], v. 2, n. 2, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/82. Acesso em: 22 dec. 2024.