Canonical solution of the critical inclination problem taking into account PN-correctionsABD EL-SALAM, F. A; AHMED, M. K.Applied mathematics and computation. 2005, Vol 161, Num 3, pp 825-841, issn 0096-3003, 17 p.Article

Analytical second-order drag theory with application for lifetime determination of artificial satellites in low earth orbitsABD EL-SALAM, F. A; SEHNAL, L.Applied mathematics and computation. 2005, Vol 171, Num 2, pp 948-971, issn 0096-3003, 24 p.Article

The effects of the terrestrial infrared radiation pressure on the earth's artificial satellite dynamicsABD EL-SALAM, F. A; SEHNAL, L.Applied mathematics and computation. 2005, Vol 162, Num 3, pp 1431-1451, issn 0096-3003, 21 p.Article

The post-Newtonian effects in the critical inclination problem in artificial satellite theoryABD EL-SALAM, F. A; AHMED, M. K; RADWAN, M et al.Applied mathematics and computation. 2005, Vol 161, Num 3, pp 813-823, issn 0096-3003, 11 p.Article

The problem of close approach of two small masses in the field of massive oblate primaryRADWAN, Mohamad; AHMED, M. K; ABD EL-SALAM, F. A et al.Applied mathematics and computation. 2005, Vol 168, Num 1, pp 389-397, issn 0096-3003, 9 p.Article

Invariant relative orbits for satellite constellations : A second order theoryABD EL-SALAM, F. A; EL-TOHAMY, I. A; AHMED, M. K et al.Applied mathematics and computation. 2006, Vol 181, Num 1, pp 6-20, issn 0096-3003, 15 p.Article