YAROVYTSYN, A., KHRUSCHОV G., and N. CHERVYAKOV. “THE CURRENT STATE OF REPAIR OF BLADES FROM NICKEL SUPERALLOY USING WELDING POINT: OVERVIEW”. Vestnik of Polotsk State University. Part B. Industry. Applied Sciences, no. 11, Aug. 2016, pp. 61-67, https://journals.psu.by/industry/article/view/4296.