Gabriela Araujo-Pardo, Martín Matamala, J. Zamora. A de Bruijn and Erdös property in quasi-metric spaces with four points. In Cristina G. Fernandes, Sergio Rajsbaum, editors, Proceedings of the XII Latin-American Algorithms, Graphs and Optimization Symposium, LAGOS 2023, Huatulco, Mexico, September 18-22, 2023. Volume 223 of Procedia Computer Science, pages 308-315, Elsevier, 2023. [doi]
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