Kulyk, M., F. Kirchu, and H. Hanesh. “A Numerical Study of Performance of the Small-Size Uav Pushing Tandem Propeller With Joined Blades”. Eastern-European Journal of Enterprise Technologies, vol. 2, no. 7 (104), Apr. 2020, pp. 40-48, doi:10.15587/1729-4061.2020.199486.