Лютак, Ігор Зіновійович. “MATHEMATICAL MODEL OF CONTROL METHOD OF BOTTOM DEFECTS BY ULTRASOUND DIRECTED ANNULAR WAVES”. Eastern-European Journal of Enterprise Technologies 5, no. 4(47) (September 30, 2010): 53–57. Accessed November 23, 2024. https://journals.uran.ua/eejet/article/view/3128.