Hetman, I. “The Completeness of a Normed Space Is Equivalent to the Homogeneity of Its Space of Closed Bounded Convex Sets”. Carpathian Mathematical Publications 5, no. 1 (June 18, 2013): 44–46. Accessed November 21, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/3648.