GANCHEV, H.; C. SARIEV, A. DEFINABILITY OF JUMP CLASSES IN THE LOCAL THEORY OF THE $\omega$-ENUMERATION DEGREES. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 102, p. 207–224, 2015. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/70. Acesso em: 22 nov. 2024.