VINNIKOV, V.; YUDITSKII, P. Functional models for almost periodic Jacobi matrices and the Toda hierarchy. Математическая физика, анализ, геометрия, Харків, Україна, v. 9, n. 2, p. 206–219, 2002. Disponível em: http://mag.ilt.kharkiv.ua/index.php/mag/article/view/m09-0206e. Acesso em: 19 трав. 2024.