NIKOLOVA, S. Definability via partial enumerations with semicomputable codomains. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 92, p. 49–63, 2000. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/254. Acesso em: 23 nov. 2024.