ANTONIUK, Y. . and VIEDIENIEIEV, D. . (2022) “OPERATIONAL GAMES AS A METHOD OF STRUGGLE OF THE OUN SPECIAL DIVISIONS AGAINST THE SOVIET SPECIAL SERVICES IN WESTERN UKRAINE (1944 – THE BEGINNING OF THE 1950s)”, EAST EUROPEAN HISTORICAL BULLETIN, (23), pp. 133–141. doi: 10.24919/2519-058X.23.258959.