ALI, ASHAQ; GAO, WEI; AHMAD, HASEEB; NAZEER, WAQAS. Hosoya and harary polynomials of zigzag and triangular benzenoid systems. Utilitas Mathematica , [S. l.], v. 117, 2022. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1455. Acesso em: 7 may. 2026.