FIRST ORDER AXIOMATIZABILITY OF RECURSION THEORY IN CARTESIAN LINEAR COMBINATORY ALGEBRAS. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 90, p. 41–50, 1998. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/285. Acesso em: 14 dec. 2025.