BUDOCHKINA, S.; VU, H. P. On an Indirect Representation of Evolutionary Equations in the Form of Birkhoff’s Equations. Eurasian Mathematical Journal, [S. l.], v. 13, n. 3, p. 23–32, 2022. Disponível em: https://emj.enu.kz/index.php/main/article/view/261. Acesso em: 19 nov. 2024.