Bickel, Kelly, James Eldred Pascoe, and Alan Sola. “Level Curve Portraits of Rational Inner Functions”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 21, no. special, 1-2 (December 22, 2020): 449-494. Accessed May 26, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/911.