SYDORENKO, Yu.M.; CHVARTATSKYI, O.I. Matrix generalizations of integrable systems with Lax integro-differential representations. Carpathian Mathematical Publications, [S. l.], v. 4, n. 1, p. 125–144, 2012. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/3056. Acesso em: 27 apr. 2024.