@article{05700441, title = {GPS satellites orbits: resonance.}, journal = {Mathematical Problems in Engineering}, volume = {2009}, year = {2009}, doi = {10.1155/2009/347835}, zbl = {1185.86023}, language = {en}, url = {http://dml.mathdoc.fr/item/05700441} }
Damasceno Ferreira, Luiz Danilo ; Vilhena de Moraes, Rodolpho. GPS satellites orbits: resonance.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/347835. http://gdmltest.u-ga.fr/item/05700441/