PAN, H.; XING, R. Symmetry-breaking bifurcations for free boundary problems modeling tumor growth. Topological Methods in Nonlinear Analysis, [S. l.], v. 60, n. 1, p. 387–412, 2022. DOI: 10.12775/TMNA.2021.064. Disponível em: https://apcz.umk.pl/TMNA/article/view/39782. Acesso em: 23 apr. 2024.