On stability of solutions of evolution equations with unfixed times of impulsive effects. Neliniini Kolyvannya, [S. l.], v. 18, n. 4, p. 475–488, 2015. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/800. Acesso em: 8 dec. 2025.