Lee, Jung-Keun, and Woo-Hwan Kim. “Multiple Linear Cryptanalysis Using Linear Statistics”. IACR Transactions on Symmetric Cryptology 2019, no. 4 (January 31, 2020): 369–406. Accessed April 19, 2024. https://tosc.iacr.org/index.php/ToSC/article/view/8469.