Team, Support. “The Planar Soap Bubble Problem With Equal Pressure Regions: Banyat Sroysang, Wacharin Wichiramala”. Thai Journal of Mathematics 5, no. 3 (December 31, 2007): 57–68. Accessed April 28, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/102.