The following publications are possibly variants of this publication:
- Sufficient Conditions for a Center at a Completely degenerate Critical PointJaume Giné. IJBC, 12(7):1659-1666, 2002. [doi]
- Center conditions to find certain degenerate centers with characteristic directionsAntonio Algaba, Cristóbal García, Jaume Giné. mcs, 215:628-638, January 2024. [doi]
- On the degenerate Center ProblemJaume Giné. IJBC, 21(5):1383-1392, 2011. [doi]
- Analytic integrability and characterization of centers for generalized nilpotent singular pointsJaume Giné. amc, 148(3):849-868, 2004. [doi]