Construction of an optimized explicit Runge–Kutta–Nyström method for the numerical solution of oscillatory initial value problems AA Kosti, ZA Anastassi, TE Simos Computers & Mathematics with Applications 61 (11), 3381-3390, 2011 | 165 | 2011 |

An optimized explicit Runge-Kutta method with increased phase-lag order for the numerical solution of the Schrödinger equation and related problems AA Kosti, ZA Anastassi, TE Simos Journal of Mathematical Chemistry 47 (1), 315, 2010 | 76 | 2010 |

An optimized explicit Runge–Kutta–Nyström method for the numerical solution of orbital and related periodical initial value problems AA Kosti, ZA Anastassi, TE Simos Computer Physics Communications 183 (3), 470-479, 2012 | 48 | 2012 |

A 6 (4) optimized embedded Runge–Kutta–Nyström pair for the numerical solution of periodic problems ZA Anastassi, AA Kosti Journal of Computational and Applied Mathematics 275, 311-320, 2015 | 22 | 2015 |

Explicit almost P-stable Runge–Kutta–Nyström methods for the numerical solution of the two-body problem AA Kosti, ZA Anastassi Computational and Applied Mathematics 34 (2), 647-659, 2015 | 5 | 2015 |

Construction of an explicit Runge-Kutta-Nyström method with constant coefficients and of a phase-fitted and amplification-fitted explicit Runge-Kutta-Nyström method for the … AA Kosti, ZA Anastassi, TE Simos AIP Conference Proceedings 1504 (1), 1185-1187, 2012 | 1 | 2012 |

Construction of an optimized explicit Runge-Kutta method with increased phase-lag order for the numerical solution of the Schrödinger equation AA Kosti, ZA Anastassi, TE Simos AIP Conference Proceedings 1504 (1), 1182-1184, 2012 | | 2012 |

A Fitted Runge‐Kutta‐Nyström Method with Six Stages for the Integration of the Two‐Body Problem AA Kosti, ZA Anastassi, TE Simos AIP Conference Proceedings 1389 (1), 1597-1600, 2011 | | 2011 |