MAL'TSEV, A. Yu. Essentially Infinite-Dimensional Evolution Equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 2, p. 214–220, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3744. Acesso em: 6 dec. 2025.