KUSHNIR, V. P. Absolute asymptotic stability of solutions of linear parabolic differential equations with delay. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 12, p. 1714–1721, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3426. Acesso em: 14 apr. 2025.