KOSHMANENKO, V. D.; KHARCHENKO, N. Fixed points of complex systems with attractive interaction. Methods of Functional Analysis and Topology, [S. l.], v. 23, n. 2, p. 164–176, 2017. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/661. Acesso em: 13 dec. 2025.