Electric hybrid airship with unlimited flight timeYu. V. Pisarevskiy, V. B. Fursov, A. Yu. Pisarevskiy, P. N. Tatarnikov, N. V. Sitnikov and S. A. GoremykinE3S Web Conf., 220 (2020) 01028DOI: https://doi.org/10.1051/e3sconf/202022001028
