Biniaz, Ahmad, Prosenjit Bose, Ingo van Duijn, Anil Maheshwari, and Michiel Smid. “Faster Algorithms for the Minimum Red-Blue-Purple Spanning Graph Problem”. Journal of Graph Algorithms and Applications 21, no. 4 (February 1, 2017): 527–546. Accessed December 22, 2024. https://jgaa.info/index.php/jgaa/article/view/paper427.