Sériot, Patrick. “Is Language a System of Signs? Lenin, Saussure and the Theory of Hieroglyphics”. Sign Systems Studies 50, no. 1 (June 1, 2022): 143–162. Accessed April 26, 2024. https://ojs.utlib.ee/index.php/sss/article/view/SSS.2022.50.1.08.