SKORDEV, D. On the detection of some loops in recursive computations. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 87, p. 203–222, 1995. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/414. Acesso em: 21 nov. 2024.