Hasenko A, Usenko D, Semko P, Ovsii D. Applying mathematical modeling to determine the efficiency of reinforcing brick columns in the built-in civil defense structures with steel cages. EEJET [Internet]. 2025Aug.28 [cited 2026Feb.7];4(7 (136):6-14. Available from: https://journals.uran.ua/eejet/article/view/338165