Barletta, Elisabetta, and Sorin Dragomir. “Bergman-Harmonic Maps of Balls”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 15, no. special (December 25, 2015): 269-307. Accessed May 25, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/423.