Sagitov, A., Sherov, K., Nasad, T., Abdugaliyeva, G., & Okimbayeva, A. (2023). Calculation of multi-blade rotary-friction tool shaft for strength. Bulletin of L.N. Gumilyov Eurasian National University Technical Science and Technology Series, 144(3), 8–19. https://doi.org/10.32523/2616-7263-2023-144-3-8-19