Semkiv І, Kashuba А, Ilchuk H, Chekaylo M. Symmetrical Analysis Phonon Modes of Crystal -Ag8SnSe6. Phys.Chem.Sol.State [Internet]. 2015 Jun. 15 [cited 2024 Nov. 21];16(2):257-60. Available from: https://personnel.pnu.edu.ua/index.php/pcss/article/view/1667