KLASKA, JIRI; SKULA, LADISLAV. Law of inertia for the factorization of cubic polynomials -The real case. Utilitas Mathematica , [S. l.], v. 102, 2017. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1243. Acesso em: 7 may. 2026.