Chitnis, Rajesh, Fedor Fomin, and Petr Golovach. “Preventing Unraveling in Social Networks Gets Harder”. Proceedings of the AAAI Conference on Artificial Intelligence 27, no. 1 (June 29, 2013): 1085-1091. Accessed April 23, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/8462.