Egri-Nagy Attila; Nehaniv Chrystopher L.: Cycle structure in automata and the holonomy decomposition. In: Acta cybernetica, (17) 2. pp. 199-211. (2005)
Egri-Nagy Attila; Nehaniv Chrystopher L.; Dömösi Pál: Holonomy decomposition of finite state automata : [abstract].