MEIJER, H. G. Sets of Primes with Intermediate Density. MATHEMATICA SCANDINAVICA, [S. l.], v. 34, p. 37–43, 1974. DOI: 10.7146/math.scand.a-11502. Disponível em: https://tidsskrift.dk/math/article/view/11502. Acesso em: 14 aug. 2026.