Boris E. Rashkovskiy Cand.Sc. (Hist.), researcher in the Department of Byzantine and East European History of the Institute of World History of the Russian Academy of Sciences
Articles “KING JOSEPHS’ LETTER”: THE PROBLEMS OF ITS AUTHENTICITY, VERACITY AND DIPLOMATIC PRATCICES - DG-2019-2020, 215-231 Preface - DG-2019-2020, 5-9
