A numerical study of the influence of the Poynting-Robertson effect on the equilibrium points of the photogravitational restricted three-body problem II. Out of plane case O Ragos, FA Zafiropoulos, MN Vrahatis Astronomy and Astrophysics 300, 579, 1995 | 46 | 1995 |

Periodic solutions about the ‘out of plane’equilibrium points in the photogravitational restricted three-body problem O Ragos, C Zagouras Celestial mechanics 44 (1-2), 135-154, 1988 | 45 | 1988 |

ZEAL: A mathematical software package for computing zeros of analytic functions P Kravanja, M Van Barel, O Ragos, MN Vrahatis, FA Zafiropoulos Computer physics communications 124 (2-3), 212-232, 2000 | 36 | 2000 |

Method for computing long periodic orbits of dynamical systems L Drossos, O Ragos, MN Vrahatis, T Bountis Physical Review E 53 (1), 1206, 1996 | 30 | 1996 |

Yukawa-type potential effects in the anomalistic period of celestial bodies I Haranas, O Ragos, V Mioc Astrophysics and Space Science 332 (1), 107-113, 2011 | 28 | 2011 |

On the localization and computation of zeros of Bessel functions MN Vrahatis, TN Grapsa, O Ragos, FA Zafiropoulos ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1997 | 26 | 1997 |

RFSFNS: A portable package for the numerical determination of the number and the calculation of roots of Bessel functions MN Vrahatis, O Ragos, T Skiniotis, FA Zafiropoulos, TN Grapsa Computer physics communications 92 (2-3), 252-266, 1995 | 26 | 1995 |

On the equilibrium points of the relativistic restricted three-body problem O Ragos, EA Perdios, VS Kalantonis, MN Vrahatis Nonlinear Analysis-Theory Methods and Applications 47 (5), 3413-3418, 2001 | 25 | 2001 |

Locating and computing zeros of Airy functions MN Vrahatis, O Ragos, FA Zafiropoulos, TN Grapsa ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1996 | 24 | 1996 |

Periodic solutions around the collinear langrangian points in the photo gravitational restricted three-body problem: Sun-Jupiter case O Ragos, C Zagouras Celestial Mechanics and Dynamical Astronomy 50 (4), 325-347, 1990 | 24 | 1990 |

Semi-supervised regression: A recent review G Kostopoulos, S Karlos, S Kotsiantis, O Ragos Journal of Intelligent & Fuzzy Systems 35 (2), 1483-1500, 2018 | 19 | 2018 |

Effects in the anomalistic period of celestial bodies due to a logarithmic correction to the Newtonian gravitational potential O Ragos, I Haranas, I Gkigkitzis Astrophysics and Space Science 345 (1), 67-72, 2013 | 19 | 2013 |

Yukawa-type effects in satellite dynamics I Haranas, O Ragos Astrophysics and Space Science 331 (1), 115-119, 2011 | 19 | 2011 |

ZEBEC: A mathematical software package for computing simple zeros of Bessel functions of real order and complex argument P Kravanja, O Ragos, MN Vrahatis, FA Zafiropoulos Computer physics communications 113 (2-3), 220-238, 1998 | 16 | 1998 |

On the existence of the “out of plane” equilibrium points in the photogravitational restricted three-body problem O Ragos, CG Zagouras Astrophysics and space science 209 (2), 267-271, 1993 | 16 | 1993 |

Three-dimensional bifurcations of periodic solutions around the triangular equilibrium points of the restricted three-body problem E Perdios, CG Zagouras, O Ragos Celestial Mechanics and Dynamical Astronomy 51 (4), 349-362, 1991 | 14 | 1991 |

The zero velocity surfaces in the photogravitational restricted three-body problem O Ragos, C Zagouras Earth, Moon, and Planets 41 (3), 257-278, 1988 | 14 | 1988 |

The topological degree theory for the localization and computation of complex zeros of Bessel functions MN Vrahatis, O Ragos, T Skiniotis, FA Zafiropoulos, TN Grapsa Numerical Functional Analysis and Optimization 18 (1-2), 227-234, 1997 | 13 | 1997 |

Periodic motion around stable collinear equilibrium point in the photogravitational restricted problem of three bodies O Ragos, CG Zagouras, E Perdios Astrophysics and space science 182 (2), 313-336, 1991 | 13 | 1991 |

Asymptotic and periodic motion around collinear equilibria in Chermnykh's problem EA Perdios, O Ragos Astronomy & Astrophysics 414 (1), 361-371, 2004 | 11 | 2004 |