Symmetry analysis of a class of systems of nonlinear diffusion equations with power nonlinearities. Neliniini Kolyvannya, [S. l.], v. 28, n. 4, 2025. DOI: 10.3842/nosc.v28i4.1548. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/1200. Acesso em: 25 may. 2026.