Centers and Foci for a Class of Cubic Systems
A. P. Sadovskii

This publication is cited in the following articles:

1. Maša Dukarić, “On integrability and cyclicity of cubic systems”, Electron. J. Qual. Theory Differ. Equ., 2020, no. 55, 1  
2. A. P. Sadovskii, “Existence of Complex Cubic Systems with a 14th-Order Focus”, Diff Equat, 56:1 (2020), 140  
3. A. E. Rudenok, “Generalized Symmetry of the Liénard System”, Diff Equat, 55:2 (2019), 181  
4. Guangfeng Dong, Changjian Liu, Jiazhong Yang, “On the maximal saddle order of <inline-formula><tex-math id="M1">$ p:-q $</tex-math></inline-formula> resonant saddle”, DCDS, 39:10 (2019), 5729  
5. Jaume Giné, Claudia Valls, “Integrability conditions of a resonant saddle perturbed with homogeneous quintic nonlinearities”, Nonlinear Dyn, 81:4 (2015), 2021  
6. Guangfeng Dong, Changjian Liu, Jiazhong Yang, “The Complexity of Generalized Center Problem”, Qual. Theory Dyn. Syst., 14:1 (2015), 11  
7. Guangfeng Dong, Jiazhong Yang, “On the saddle order of polynomial differential systems at a resonant singular point”, Journal of Mathematical Analysis and Applications, 423:2 (2015), 1557  
8. Le Van Linh, A. P. Sadovskii, “The centre-focus problem for analytical systems of Lienard form in degenerate case”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2003, no. 2, 37–50