DETERMINATION OF THE BENDING STIFFNESS OF THIN-WALLED SHAFTS BY THE EXPERIMENTAL METHODOLOGICAL METHOD DUE TO THE FORMATION OF INTERNAL STRESSES. IEJRD - International Multidisciplinary Journal [Internet]. 2021 May 16 [cited 2026 Oct. 6];6(2):5. Available from: https://iejrd.com/index.php/iejrd/article/view/1951