@article{Beyn2026topology, author={Beyn, D.G. and Cyganskaya, L.V.}, title={Topology optimization of floor-supporting beams in a solid-bottom gondola car}, journal={Bulletin of scientific research results}, publisher={FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"}, year={2026}, pages={17-33}, volume={2026}, issue={1}, }