@article{Ishkov_2017,
 title={Evaluation of the Efficiency of Propulsion Systems Usage with Energy Accumulation at Spacecraft},
 volume={185},
 ISSN={1877-7058},
 url={http://dx.doi.org/10.1016/j.proeng.2017.03.302},
 DOI={10.1016/j.proeng.2017.03.302},
 journal={Procedia Engineering},
 publisher={Elsevier BV},
 author={Ishkov,
 S.A. and Khramov,
 A.A.},
 year={2017},
 pages={212–219} }