Liutak І. Z.; LIUTAK, Z. P.; YATSYSHYN, M. M.; CHERNYSHOV, M. Yu. ALGORITHM FOR CALCULATING GROUP AND PHASE PROPAGATION VELOCITIES OF ULTRASONIC DIRECTED MODES IN THE WALLS OF METAL STRUCTURES. METHODS AND DEVICES OF QUALITY CONTROL, [S. l.], n. 2(49), p. 27–35, 2022. DOI: 10.31471/1993-9981-2022-2(49)-27-35. Disponível em: https://mpky.nung.edu.ua/index.php/mpky/article/view/595. Acesso em: 8 may. 2024.