Some initial conditions for disposed satellites of the systems GPS and Galileo constellations. Sanchez, Diogo Merguizo; Yokoyama, Tadashi; de Oliveira Brasil, Pedro Ivo; Cordeiro, Ricardo Reis — 2009 Mathematical Problems in Engineering
On the evection resonance and its connection to the stability of outer satellites. Yokoyama, Tadashi; Neto, Ernesto Vieira; Winter, Othon Cabo; Sanchez, Diogo Merguizo; De Oliveira Brasil, Pedro Ivo — 2008 Mathematical Problems in Engineering