Khabidolda О, Bakirov Z, Nuguzhinov Z, Vatin N. Determining stress intensity factor in bending reinforced Concrete beams. M [Internet]. 2019 Dec. 30 [cited 2025 Sep. 4];96(4):90-8. Available from: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/340