@article{Sahbiev2026application, author={Sahbiev, O.M. and , ..}, title={APPLICATION OF ISOGEOMETRIC APPROXIMATION BY CUBIC SPLINES IN THE CALCULATION OF THREE-DIMENSIONAL STRUCTURES BY THE VARIATIONAL METHOD}, journal={Herald of Technological University}, publisher={Kazan National Research Technological University}, year={2026}, pages={159-163}, volume={29}, issue={4}, }