Pavlov, A.S., and B.V. Dobrov. 2011. “A Detection Method for Mass-Generated Unnatural Texts Based on the Topical Structure Analysis”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 12 (29):58-72. https://en.num-meth.ru/index.php/journal/article/view/487.