The center and cyclicity problems: a computational algebra approach V Romanovski, D Shafer Springer Science & Business Media, 2009 | 388 | 2009 |

Bifurcation of limit cycles by perturbing a piecewise linear Hamiltonian system with a homoclinic loop F Liang, M Han, VG Romanovski Nonlinear Analysis: Theory, Methods & Applications 75 (11), 4355-4374, 2012 | 87 | 2012 |

The center problem on a center manifold in R3 VF Edneral, A Mahdi, VG Romanovski, DS Shafer Nonlinear Analysis: Theory, Methods & Applications 75 (4), 2614-2622, 2012 | 69 | 2012 |

An approach to solving systems of polynomials via modular arithmetics with applications VG Romanovski, M Prešern Journal of computational and applied mathematics 236 (2), 196-208, 2011 | 61 | 2011 |

Equivalence of the Melnikov function method and the averaging method M Han, VG Romanovski, X Zhang Qualitative theory of dynamical systems 15, 471-479, 2016 | 55 | 2016 |

Integrability conditions for Lotka–Volterra planar complex quintic systems J Giné, VG Romanovski Nonlinear Analysis: Real World Applications 11 (3), 2100-2105, 2010 | 55 | 2010 |

Linearizability of linear systems perturbed by fifth degree homogeneous polynomials VG Romanovski, X Chen, Z Hu Journal of Physics A: Mathematical and Theoretical 40 (22), 5905, 2007 | 55 | 2007 |

On the number of limit cycles of polynomial Liénard systems M Han, VG Romanovski Nonlinear Analysis: Real World Applications 14 (3), 1655-1668, 2013 | 46 | 2013 |

Time-reversibility in 2-dimensional systems VG Romanovski Open Systems & Information Dynamics 15 (04), 359-370, 2008 | 44 | 2008 |

Some properties of WKB series M Robnik, VG Romanovski Journal of Physics A: Mathematical and General 33 (28), 5093, 2000 | 44 | 2000 |

The centre and isochronicity problems for some cubic systems VG Romanovski, M Robnik Journal of Physics A: Mathematical and General 34 (47), 10267, 2001 | 43 | 2001 |

On the linearization theorem of Fenner and Pinto YH Xia, X Chen, VG Romanovski Journal of Mathematical Analysis and Applications 400 (2), 439-451, 2013 | 41 | 2013 |

The 1:− q resonant center problem for certain cubic Lotka–Volterra systems X Chen, J Giné, VG Romanovski, DS Shafer Applied Mathematics and Computation 218 (23), 11620-11633, 2012 | 40 | 2012 |

Linearizability conditions of time-reversible quartic systems having homogeneous nonlinearities X Chen, VG Romanovski, W Zhang Nonlinear Analysis: Theory, Methods & Applications 69 (5-6), 1525-1539, 2008 | 40 | 2008 |

Limit cycle bifurcations of some Liénard systems J Yang, M Han, VG Romanovski Journal of mathematical analysis and applications 366 (1), 242-255, 2010 | 35 | 2010 |

The Sibirsky component of the center variety of polynomial differential systems AS Jarrah, R Laubenbacher, V Romanovski Journal of Symbolic Computation 35 (5), 577-589, 2003 | 35 | 2003 |

Integrability conditions for Lotka-Volterra planar complex quartic systems having homogeneous nonlinearities B Ferčec, J Giné, Y Liu, VG Romanovski Acta applicandae mathematicae 124 (1), 107-122, 2013 | 34 | 2013 |

Linearizability conditions for Lotka–Volterra planar complex cubic systems J Giné, VG Romanovski Journal of Physics A: Mathematical and Theoretical 42 (22), 225206, 2009 | 33 | 2009 |

1:− 3 resonant centers on C2 with homogeneous cubic nonlinearities Z Hu, VG Romanovski, DS Shafer Computers & Mathematics with Applications 56 (8), 1927-1940, 2008 | 32 | 2008 |

Varieties of local integrability of analytic differential systems and their applications VG Romanovski, Y Xia, X Zhang Journal of Differential Equations 257 (9), 3079-3101, 2014 | 31 | 2014 |