Zeilberger, Doron. “Dodgson’s Determinant-Evaluation Rule Proved by Two-Timing Men and Women”. The Electronic Journal of Combinatorics 4, no. 2 (May 15, 1996): #R22. Accessed April 11, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v4i2r22.