Alex Biryukov, Christophe De Cannière, An Braeken, Bart Preneel. A Toolbox for Cryptanalysis: Linear and Affine Equivalence Algorithms. In Eli Biham, editor, Advances in Cryptology - EUROCRYPT 2003, International Conference on the Theory and Applications of Cryptographic Techniques, Warsaw, Poland, May 4-8, 2003, Proceedings. Volume 2656 of Lecture Notes in Computer Science, pages 33-50, Springer, 2003. [doi]