Putinar, Mihai, and Claus Scheiderer. “Multivariate Moment Problems: Geometry and Indeterminateness ”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 5, no. 2 (December 4, 2009): 137-157. Accessed May 27, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/94.