Prishlyak, Alexandr, and Mariya Loseva. “Topology of Optimal Flows With Collective Dynamics on Closed Orientable Surfaces”. Proceedings of the International Geometry Center 13, no. 2 (September 13, 2020): 50-67. Accessed June 27, 2026. https://journals.ontu.edu.ua/index.php/geometry/article/view/1731.