Cantat, Serge, and Yves De Cornulier. “Distortion in Cremona Groups”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 20, no. 2 (May 19, 2020): 827-858. Accessed August 3, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/696.