MACINTYRE, Angus. Martin’s Axiom Applied to Existentially Closed Groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 32, p. 46–56, 1973. DOI: 10.7146/math.scand.a-11445. Disponível em: https://tidsskrift.dk/math/article/view/11445. Acesso em: 13 aug. 2026.