Universal Levenshtein Automata for a Generalization of the Levenshtein Distance. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 99, p. 5–23, 2009. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/109. Acesso em: 4 feb. 2026.