TY  - JOUR
AU  - Ibrar Hussain
AU  - Fazal M. Mahomed
AU  - Asghar Qadir
TI  - Second-Order Approximate Symmetries of the Geodesic Equations for the Reissner–Nordström Metric and
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2007
VL  - 3
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a114/
LA  - en
ID  - SIGMA_2007_3_a114
ER  -