Palaysi, Jérôme, Olivier Cogis, and Guillaume Bagan. “Approximable 1-Turn Routing Problems in All-Optical Mesh Networks”. Algorithmic Operations Research 4, no. 2 (September 16, 2009): Pages 95 – 101. Accessed November 24, 2024. https://journals.lib.unb.ca/index.php/AOR/article/view/4177.