Stepan Vidnyanskyj, and Hanna Kharlan. “FOR THE FIFTIETH BIRTHDAY OF A DOCTOR OF HISTORY, PROFESSOR, MEMBER OF THE EDITORIAL BOARD OF OUR COLLECTION OF SCIENTIFIC PAPERS ANDRIY YURIJOVYCH MARTYNOV”. International Relations of Ukraine: Scientific Searches and Findings, no. 28, Dec. 2019, pp. 411-6, https://mzu.history.org.ua/index.php/MZU/article/view/121.