HAYAT, SAKANDER; WANG, SHAOHUI. On the anti-Kekule number of k-polyomino system. Utilitas Mathematica , [S. l.], v. 112, 2019. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1389. Acesso em: 17 apr. 2026.