BAKAEV , N. Yu. Estimates for stability of the Runge-Kutta method for differential equations with a variable operator. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 43, n. 2, p. 262–265, 2025. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9366. Acesso em: 6 dec. 2025.