VOLOSHCHUK M. THE RUTHENIAN COURTS OF THE RURIK DYNASTY PRINCESSES IN THE LANDS OF THE PIAST DYNASTY IN THE 11TH CENTURY: THE ATTEMPT OF THE SEARCHING AND RECONSTRUCTION. jpnu [Internet]. 2019 Jun. 20 [cited 2024 Apr. 26];6(2):37-48. Available from: https://journals.pnu.edu.ua/index.php/jpnu/article/view/1873