Maslyuchenko, Oleksandr V., and Ziemowit M. Wójcicki. “Classification of Lipschitz Derivatives in Terms of Semicontinuity and the Baire Limit Functions”. Annales Mathematicae Silesianae (February 24, 2026). Accessed February 27, 2026. https://journals.us.edu.pl/index.php/AMSIL/article/view/23715.