BONDARENKO, V. G. Trotter – Daletskii formula for nonlinear disturbance. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 70, n. 12, p. 1717–1722, 2018. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1670. Acesso em: 27 apr. 2025.