How to Make the Citation of this Document using the INPE Standard (BibINPE Format)
NEGRI, R. B.; SUKHANOV, A.; PRADO, A. F. B. A. Lunar gravity assists using patched-conics approximation, three and four body problems. Advances in Space Research, v. 64, n. 1, p. 42-63, 2019. DOI: <10.1016/j.asr.2019.04.002>. Available from: <http://doi.org/10.1016/j.asr.2019.04.002>.
How to Make the In-Text Citation (by author/year)
... as proposed by Negri, Sukhanov and Prado (2019).
... may be found in the literature (NEGRI; SUKHANOV; PRADO, 2019).