Noakes, Lyle, and Alex Coram. “Social Choice As a Continuous Mapping from IRn→IR: A Group Invariance Approach”. Journal of Reviews on Global Economics 3 (November 10, 2014): 394–400. Accessed May 5, 2024. https://www.lifescienceglobal.com/pms/index.php/jrge/article/view/2484.