Imreh, Csanád, and Masami Ito. “On Monogenic Nondeterministic Automata”. Acta Cybernetica 18, no. 4 (January 1, 2008): 777-782. Accessed December 22, 2024. https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3749.