Załuski, T. 2006. Umberto Eco: Repetition and the Extra-Aesthetic Meaning of the Avant-Garde. Acta Universitatis Lodziensis. Folia Philosophica. Ethica-Aesthetica-Practica. 18 (Jan. 2006), 69–101. DOI:https://doi.org/10.18778/0208-6107.18.04.