RYBARSKA-RUSINEK, Liliana. String stability of singularly perturbed stochastic systems. Annales Mathematicae Silesianae, [S. l.], v. 16, p. 43–55, 2003. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14107. Acesso em: 5 dec. 2025.