ORLOV, S. On Optimal Trajectory in Space Flight. Journal of Advance Research in Applied Science (ISSN 2208-2352), [S. l.], v. 3, n. 2, p. 24–26, 2016. DOI: 10.53555/nnas.v3i2.662. Disponível em: https://nnpub.org/index.php/AS/article/view/662.. Acesso em: 16 may. 2024.