Kovalets T. «Lithuania with the Crown has a common cause…»: The siege of Gomel by the Cossacks and the Cossack-Lithuanian negotiations in June 1651 on the basis of little-known documents (publication of sources). HJ [Internet]. 2021Jun.15 [cited 2024May20];(53):151-8. Available from: https://hj.chnu.edu.ua/index.php/hj/article/view/173