ZASHEV, J. On the connection between the abstract recursion theory and the method of successive approximations. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 87, p. 113–128, 1995. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/409. Acesso em: 22 nov. 2024.