Тлеукенов С, Балабеков К, Жалгасбекова З. Group velocity and flow of electromagnetic energy in rhombic crystals. bulphysastenu [Internet]. 2022 Jul. 4 [cited 2024 Dec. 4];126(1):90-107. Available from: https://bulphysast.enu.kz/index.php/physast/article/view/148