160 citations to https://www.mathnet.ru/rus/faa2063
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PEI YU, MAOAN HAN, “FOUR LIMIT CYCLES FROM PERTURBING QUADRATIC INTEGRABLE SYSTEMS BY QUADRATIC POLYNOMIALS”, Int. J. Bifurcation Chaos, 22:10 (2012), 1250254
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Xiao-Chun Hong, Jian Huang, Zhonghuan Cai, 2011 Seventh International Conference on Natural Computation, 2011, 1386
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Pei Yu, Maoan Han, “FOUR LIMIT CYCLES IN QUADRATIC NEAR-INTEGRABLE SYSTEMS”, jaac, 1:2 (2011), 291
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Horozov E., Mihajlova A., “An improved estimate for the number of zeros of Abelian integrals for cubic Hamiltonians”, Nonlinearity, 23:12 (2010), 3053–3069
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Bonnin M., “Existence, number, and stability of limit cycles in weakly dissipative, strongly nonlinear oscillators”, Nonlinear Dynam, 62:1–2 (2010), 321–332
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John Guckenheimer, Dynamical Systems, 2010, 5
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A. Loose, H.-J. Wünsche, F. Henneberger, “Synchronization of quasiperiodic oscillations to a periodic force studied with semiconductor lasers”, Phys. Rev. E, 82:3 (2010)
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Hongxian Zhou, Yanmin Zhao, “Bifurcations of limit cycles in a -equivariant planar polynomial vector field of degree 7”, Applied Mathematics and Computation, 216:1 (2010), 35
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J. Li, Y. Tian, W. Zhang, “Investigation of relation between singular points and number of limit cycles for a rotor–AMBs system”, Chaos, Solitons & Fractals, 39:4 (2009), 1627
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Ferdinand Verhulst, Encyclopedia of Complexity and Systems Science Series, Perturbation Theory, 2009, 167