1.
Hu S-I, Hu T. Markov-Kakutani Theorem on Hyperspace of a Banach Space. Tamkang J. Math. [Internet]. 2021Jan.31 [cited 2021Jun.25];52(1):19-23. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3645