PERIODIC ORBITS OF PERTURBED NON-AXIALLY SYMMETRIC POTENTIALS IN 1:1:1 AND 1:1:2 RESONANCES

Corbera, M; Llibre, J; Valls, C

Corbera, M (reprint author), Univ Vic, Univ Cent Catalunya UVic UCC, Dept Engn, C Laura 13, Barcelona 08500, Spain.

DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 2018; 23 (6): 2299