Onishchenko , N. “Development of Eptonymical Signs in German Quotations (based on the Material of the COVID-19 Thematic Group)”. The Journal of V.N. Karazin Kharkiv National University. Series: Foreign Philology. Methods of Foreign Language Teaching, no. 93, Sept. 2021, pp. 22-30, doi:10.26565/2227-8877-2021-93-03.