SKRICHEVSKY, V. V. Differentiation of operator-value dimension in the Banach equipment . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 5, p. 658–662, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8822. Acesso em: 5 dec. 2025.