RYABENKO, N., and V. TUR. “SETTING TO DETERMINE THE LENGTH OF THE ZONE OF TRANSMISSION OF STRESS IN THE PRE-STRESSED REINFORCEMENT CONCRETE ELEMENTS”. Vestnik of Polotsk State University. Part F. Constructions. Applied Sciences, no. 16, Dec. 2017, pp. 98-105, https://journals.psu.by/constructions/article/view/1282.