@article{Belyaev2026multiple-class, author={Belyaev, A.A.}, title={Multiple-Class Classification of a Diesel Locomotive Engine’s Mechanical Condition Based on Wavelet Properties of Vibration Signals via Machine-Learning Techniques}, journal={Bulletin of scientific research results}, publisher={FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"}, year={2026}, pages={142-153}, volume={2026}, issue={1}, }