Expansions of Step-Transition Operators of Multi-Step Methods and Order Barriers for Dahlquist Pairs. Journal of Computational Mathematics, [S. l.], v. 24, n. 1, p. 45–58, 2018. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11744. Acesso em: 5 dec. 2025.