Analytical treatment of the relativistic and solar radiation pressure effects on an artificial satelliteAhmed A. El-Enna, M. K. Ahmed, F. A. Abd El-SalamApplied Mathematics and Computation2006

Analytical treatment of the earth oblateness and solar radiation pressure effects on an artificial satellite: II--The solutionAhmed A. El-EnnaApplied Mathematics and Computation2004

The equations of motion of the joint effects of the relativistic and solar radiation pressure on an earth artificial satelliteAhmed A. El-EnnaApplied Mathematics and Computation2004

The joint effect of relativistic and direct solar radiation pressure on an axially symmetric spacecraft.: II. The solution and the elements of transformationAhmed A. El-Enna, M. I. El-SaftawyApplied Mathematics and Computation2003

Analytical treatment of the Earth oblateness and solar radiation pressure effects on an artificial satellite I. The equations of motionAhmed A. El-EnnaApplied Mathematics and Computation2003

The relativistic and direct solar radiation pressure effects on an axially symmetric spacecraft. I. The Hamiltonian and the canonical equations of motionM. I. El-Saftawy, Ahmed A. El-EnnaApplied Mathematics and Computation2002