Kang, Hyeonbae, Hyundae Lee, and Shigeru Sakaguchi. “An over-Determined Boundary Value Problem Arising from Neutrally Coated Inclusions in Three Dimensions”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 16, no. 4 (December 21, 2016): 1193-1208. Accessed May 27, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/480.