GANCHEV, H. A jump inversion theorem for the infinite enumeration jump. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 98, p. 61–85, 2008. Disponível em: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/130. Acesso em: 26 apr. 2025.