Dovzhenko Oksana The masonry calculation strength under the vertical and horizontal loads combined action by the variational method in the plasticity theory / Oksana Dovzhenko, Volodymyr Pohribnyi, Valery Usenko, Dmytro Usenko // ACADEMIC JOURNAL Industrial Machine Building, Civil Engineering. – Poltava: PNTU, 2022. – VOL. 2 (57). – PP. 26-31. – doi:https://doi.org/10.26906/znp.2021.57.2581.