Finta, Béla. “A Characterization of Some Sets of the Real Line by the Fixed Point Property”.
Rev. Anal. Numér. Théor. Approx. 25, no. 1 (August 1, 1996): 105–109. Accessed April 14, 2025.
https://ictp.acad.ro/jnaat/journal/article/view/1996-vol25-nos1-2-art11.