А.К. КЕРИМБЕКОВ; С.Б. ДОУЛБЕКОВА. About the solvability of the problem of nonlinear optimization of oscillatory processes with the appearance of special controls. Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series, [S. l.], v. 132, n. 3, p. 8–16, 2020. Disponível em: https://bulmathmc.enu.kz/index.php/main/article/view/73. Acesso em: 27 may. 2025.