DIMITROV, R. Characterization of the effective computability in $\mathfrak{f}$-enumerations. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 87, p. 61–72, 1995. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/405. Acesso em: 23 nov. 2024.