Khabidolda О., Zh.B. Bakirov, Zh.S. Nuguzhinov, and N.I. Vatin. “Determining Stress Intensity Factor in Bending Reinforced Concrete Beams”. Bulletin of the Karaganda University. Mathematics Series 96, no. 4 (December 30, 2019): 90–98. Accessed December 8, 2025. https://mts.buketov.edu.kz/mathematics-vestnik/article/view/340.