Liutak ІZ, Liutak ZP, Yatsyshyn MM, Chernyshov MY. ALGORITHM FOR CALCULATING GROUP AND PHASE PROPAGATION VELOCITIES OF ULTRASONIC DIRECTED MODES IN THE WALLS OF METAL STRUCTURES. mpky [Internet]. 2022 Dec. 26 [cited 2024 Dec. 4];(2(49):27-35. Available from: https://mpky.nung.edu.ua/index.php/mpky/article/view/595