Nekrashevich, V. V., A. S. Oliinyk, and V. I. Sushchanskii. “Metric Properties of Functions Defined by Partial Automata”. Ukrains’kyi Matematychnyi Zhurnal 62, no. 11 (November 25, 2010): 1500–1510. Accessed May 7, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2974.