Omega, Sadhana, and PI Polynomials of Porous Graphene. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 5583–5589, 2025. DOI: 10.37256/cm.6520255630. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/5630. Acesso em: 24 dec. 2025.