CARLITZ, L.; OLSON, F. R. A problem in factorization of polynomials. MATHEMATICA SCANDINAVICA, [S. l.], v. 3, p. 28–30, 1955. DOI: 10.7146/math.scand.a-10422. Disponível em: https://www.mscand.dk/article/view/10422. Acesso em: 2 may. 2024.