DZHABRAILOV, M. S. On coercive solvability of operator-differential equations in $B$-spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 8, p. 1084–1087, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5662. Acesso em: 5 dec. 2025.