NEKRASHEVICH, V. V.; OLIINYK, A. S.; SUSHCHANSKII, V. I. Metric properties of functions defined by partial automata. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 11, p. 1500–1510, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2974. Acesso em: 6 dec. 2025.