PELEN , N. N. On the dynamics of the impulsive predator-prey systems with Beddington – DeAngelis type functional response. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 73, n. 4, p. 523 – 543, 2021. DOI: 10.37863/umzh.v73i4.619. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/619. Acesso em: 27 apr. 2025.