Hudz, Serhii, Natalia Ichanska, Serhii Rendyuk, and Petro Molchanov. 2022. “Optimization of the Double-Span Purlins Design Sketch in a Framework With Portal Frames through the Rafter Stays Application”. Збірник наукових праць Галузеве машинобудування будівництво Academic Journal Industrial Machine Building Civil Engineering 1 (56):30-36. https://doi.org/10.26906/znp.2021.56.2504.