Mikusiński, Piotr, and WardJohn Paul. “On the Radon-Nikodym Property for Vector Measures and Extensions of Transfunctions”. Annales Mathematicae Silesianae 35, no. 1 (October 6, 2020): 77-89. Accessed December 4, 2024. https://journals.us.edu.pl/index.php/AMSIL/article/view/13475.