@article{Astakhov2017the,
author={Astakhov, S.V.},
title={THE DERIVATION OF FORMULA FOR DEFLECTION OF STATICALLY INDETERMINATE EXTERNALLY FLAT TRUSS UNDER LOAD AT MIDSPAN},
journal={Construction and Architecture},
publisher={Publishing Center RIOR},
year={2017},
pages={130-134},
volume={5},
issue={2},
}