Kolesov, A.Y. and Rozov, N.K. (2013) “New methods for the investigation of periodic solutions in ring systems of unidirectionally coupled oscillators”, Ukrains’kyi Matematychnyi Zhurnal, 65(1), pp. 82–102. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2406 (Accessed: 5 December 2025).