Cobzaş, Ştefan. “Compactness in Spaces of Lipschitz Functions”. Rev. Anal. Numér. Théor. Approx. 30, no. 1 (February 1, 2001): 9–14. Accessed August 12, 2022. https://ictp.acad.ro/jnaat/journal/article/view/2001-vol30-no1-art2.