Vikent’ev, A. (2016). Study of model distances on logical statements based on expert interpretation of the formulas of many-valued logics of Lukasiewicz and automatic clustering of knowledge bases. I. Bulletin of the Karaganda University. Mathematics Series, 82(2), 23–31. Retrieved from http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/87