Васильев, Юрий Михайлович, and Григорий Морицович Фридман. “Cooperation Scheme Visualization: Hyperedge Routing Method for Hierarchical Multilayer Hypergraph”. Modern Economics: Problems and Solutions 3 (April 20, 2017): 18-33. Accessed December 5, 2025. https://journals.vsu.ru/meps/article/view/6132.