Rhin, Georges, and Carlo Viola. “The Permutation Group Method for the Dilogarithm”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 4, no. 3 (December 4, 2009): 389-437. Accessed May 26, 2026. https://journals-dev.sns.it/index.php/annaliscienze/article/view/73.