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Nonexistence of Isochronous Centers in Planar Polynomial Hamiltonian Systems of Degree Four
X. Jarque, J. VilladelpratVolume:
180
Année:
2002
Langue:
english
Pages:
40
DOI:
10.1006/jdeq.2001.4065
Fichier:
PDF, 272 KB
english, 2002