Authors:
Meletlidou, E
Voyatzis, G
Ichtiaroglou, S
Citation: E. Meletlidou et al., Obstructions to the continuation of analytic integrals of Hamiltonian systems under non-Hamiltonian perturbations, PHYS LETT A, 286(1), 2001, pp. 55-60
Citation: E. Meletlidou, The Mel'nikov subharmonic function and the non-existence of analytic integrals in non-autonomous systems, CEL MEC DYN, 78(1-4), 2000, pp. 161-166
Citation: K. Wodnar et al., Non-integrability and continuation of fixed points of 2n-dimensional perturbed twist maps, PHYSICA D, 128(1), 1999, pp. 70-86