Mitchell, Joseph S.B., and Linh Nguyen. “Approximation Algorithms for Anchored Multiwatchman Routes”. Computing in Geometry and Topology 4, no. 1 (August 3, 2025): 7:1–7:17. Accessed August 12, 2025. https://www.cgt-journal.org/index.php/cgt/article/view/71.