@article{05700457, title = {Nonsphericity of the Moon and near Sun-synchronous polar lunar orbits.}, journal = {Mathematical Problems in Engineering}, volume = {2009}, year = {2009}, doi = {10.1155/2009/740460}, zbl = {1188.70052}, language = {en}, url = {http://dml.mathdoc.fr/item/05700457} }
Carvalho, Jean Paulo dos Santos; Vilhena de Moraes, Rodolpho; Prado, Antônio Fernando Bertachini de Almeida. Nonsphericity of the Moon and near Sun-synchronous polar lunar orbits.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/740460. http://gdmltest.u-ga.fr/item/05700457/