LUGOVSKYI, O.; MOVCHANYUK, A.; FESICH, V. To the question about the calculation of the ultrasonic step-up transformer of vibrating speed with the developed radiance surface. Mechanics and Advanced Technologies, Kyiv, Ukraine, n. 1(85), p. 49–56, 2019. DOI: 10.20535/2521-1943.2019.85.164346. Disponível em: https://journal.mmi.kpi.ua/article/view/164346. Acesso em: 3 may. 2024.