Raychev, Raycho, and Ivanka Delova. “METHODS FOR REDUCING THE STRESS CONCENTRATION IN CYLINDRICAL SPECIMENS, AT AXIAL LOADING”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 16, 2021): 300–303. Accessed September 19, 2024. https://journals23.rta.lv/index.php/ETR/article/view/6535.