KLOVE, T. Noncovering of multiples. MATHEMATICA SCANDINAVICA, [S. l.], v. 43, p. 11–25, 1978. DOI: 10.7146/math.scand.a-11758. Disponível em: https://www.mscand.dk/article/view/11758. Acesso em: 24 nov. 2024.