КІСЬ, Я. І. REGIONAL RESEARCHES OF PROFESSOR OF THE LVIV UNIVERSITY Y.P. CIS’ /TO 90-ANIVESARY/. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Idea, [S. l.], n. 3(3), p. 167–173, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/idea/article/view/773. Acesso em: 11 dec. 2025.