Yesilevskyi, Valentyn, Andriy Tevyashev, and Anton Koliadin. 2020. “A Method of Air Object Recognition Based on the Normalized Contour Descriptors and a Complex-Valued Neural Network”. Eastern-European Journal of Enterprise Technologies 6 (4 (108):48-57. https://doi.org/10.15587/1729-4061.2020.220035.