共 50 条
- [32] Singular perturbations arising in Hilbert's 16th problem for quadratic vector fields ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 1998, 78 (02): : 133 - 136
- [34] On the 16th Hilbert Problem for Discontinuous Piecewise Polynomial Hamiltonian Systems Journal of Dynamics and Differential Equations, 2023, 35 : 87 - 102
- [35] Twelve limit cycles in a cubic case of the 16th Hilbert problem INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2005, 15 (07): : 2191 - 2205