TY - JOUR AU - Zamorano, P. AU - Gambi Fernández, José María AU - Romero Pérez, María Del Pilar AU - García del Pino, M. L. PY - 2002 SN - 1594-9982 UR - https://hdl.handle.net/20.500.14352/57908 T2 - Il Nuovo Cimento della Società Italiana di Fisica - B: General Physics, Relativity, Astronomy and Mathematical Physics and Methods AB - The orbital motion about a central symmetric massive body appears very well described in terms of polar Gaussian coordinates because these are the only coordinates that can be materialized by a proper reference frame with origin at the centre of the... LA - eng M2 - 441 PB - Società Italiana di Fisica KW - Classical general relativity KW - Post-Newtonian approximation KW - Perturbation theory KW - Related approximations KW - Approximation methods KW - Equations of motion TI - Description of orbits with polar Gaussian coordinates in the post-Newtonian approximation of a spherically symmetric field TY - journal article VL - 117 ER -