Quadratic Planar Systems with Two Parallel Invariant Straight Lines Claudio A. BuzziDurval J. Tonon OriginalPaper 28 December 2008 Pages: 295 - 316
Bifurcations in a Class of Polycycles Involving Two Saddle-Nodes on a Möbius Band Claudio PessoaJorge Sotomayor OriginalPaper 28 December 2008 Pages: 317 - 338
Limit Periodic Sets in Polynomial Liénard Equations Stijn LucaFreddy Dumortier OriginalPaper 28 December 2008 Pages: 339 - 366
Erratum to: ‘An Eigenvalue Condition for the Injectivity and Asymptotic Stability at Infinity’ Roland Rabanal OriginalPaper 28 December 2008 Pages: 367 - 368
Phase Portraits of Reversible Linear Differential Systems with Cubic Homogeneous Polynomial Nonlinearities Having a Non-degenerate Center at the Origin Claudio A. BuzziJaume LlibreJoão C. R. Medrado OriginalPaper 28 December 2008 Pages: 369 - 403
Uniqueness of Limit Cycles for Liénard Systems. A Generalization of Massera’s Theorem Linda Ciambellotti OriginalPaper 12 January 2009 Pages: 405 - 410
Transverse Foliations to Nonsingular Morse–Smale Flows on the 3-Sphere and Bott-Integrable Hamiltonian Systems Michael C. Sullivan OriginalPaper 28 December 2008 Pages: 411 - 415
Planar Quadratic Vector Fields with Finite Saddle Connection on a Straight Line (Non-convex Case) Paulo César CarriãoMaria Elasir Seabra GomesAntonio Augusto Gaspar Ruas OriginalPaper 28 December 2008 Pages: 417 - 433
Foliation of the Phase Space for the Kepler Problem with Anisotropic Perturbations Arturo CriolloErnesto Pérez-Chavela OriginalPaper 12 January 2009 Pages: 435 - 449
Regularization of Restricted 3-Body Problems César CastilhoClaudio Vidal OriginalPaper 28 December 2008 Pages: 451 - 466
The Infinitesimal Hilbert’s 16th Problem in the Real and Complex Planes Salomón Rebollo-Perdomo OriginalPaper 28 December 2008 Pages: 467 - 500
