Hyers‐Ulam‐Rassias stability of nonlinear integral equations through the Bielecki metric LP Castro, AM Simões Mathematical Methods in the Applied Sciences 41 (17), 7367-7383, 2018 | 51 | 2018 |

Different types of Hyers-Ulam-Rassias stabilities for a class of integro-differential equations LP Castro, AM Simões Filomat 31 (17), 5379-5390, 2017 | 48 | 2017 |

General inhomogeneous discrete linear partial differential equations with constant coefficients on the whole spaces LP Castro, S Saitoh, Y Sawano, AM Simões Complex Analysis and Operator Theory 6 (1), 307-324, 2012 | 27 | 2012 |

Hyers-Ulam and Hyers-Ulam-Rassias stability for a class of integro-differential equations LP Castro, AM Simões Mathematical Methods in Engineering: Theoretical Aspects, 81-94, 2019 | 20 | 2019 |

Hyers-Ulam and Hyers-Ulam-Rassias stability of a class of Hammerstein integral equations LP Castro, AM Simões AIP Conf. Proc 1798 (020036), 10, 2017 | 20 | 2017 |

Hyers-Ulam and Hyers-Ulam-Rassias stability of a class of integral equations on finite intervals LP Castro, AM Simões CMMSE 17, 507-515, 2017 | 9 | 2017 |

Hyers-Ulam stability of a certain Fredholm integral equation A Simões, P Selvan Turkish Journal of Mathematics 46 (1), 87-98, 2022 | 8 | 2022 |

New sufficient conditions to Ulam stabilities for a class of higher order integro-differential equations AM Simões, F Carapau, P Correia Symmetry 13 (11), 2068, 2021 | 7 | 2021 |

Fredholm analysis for a wave diffraction problem with higher order boundary conditions on a strip LP Castro, AM Simoes Mathematical Problems in Engineering and Aerospace Sciences, Cambridge …, 2009 | 7 | 2009 |

Mathematical treatment of a wave diffraction problem with higher order boundary conditions LP Castro, AM Simões Trends and Challenges in Applied Mathematics, Matrix Rom Publishers …, 2007 | 6 | 2007 |

On the stability of Bessel differential equation SM Jung, AM Simões, AP Selvan, J Roh Journal of Applied Analysis & Computation 12 (5), 2014-2023, 2022 | 5 | 2022 |

Stabilities for a class of higher order integro-differential equations LP Castro, AM Simões AIP Conference Proceedings 2046 (1), 2018 | 5 | 2018 |

The impedance problem of wave diffraction by a strip with higher order boundary conditions LP Castro, AM Simões AIP Conference Proceedings 1561 (1), 184-193, 2013 | 4 | 2013 |

Fredholm Analysis for a wave diffraction problem with higher order boundary conditions on a union of strips LP Castro, AM Simões AIP Conference Proceedings 1186 (1), 49-56, 2009 | 4 | 2009 |

Different stabilities for oscillatory Volterra integral equations AM Simões Mathematical Methods in the Applied Sciences 46 (9), 9942-9953, 2023 | 3 | 2023 |

A Hyers-Ulam stability analysis for classes of Bessel equations LP Castro, AM Simões Filomat 35 (13), 4391-4403, 2021 | 3 | 2021 |

Integral equation methods in problems of wave diffraction by a strip with higher order reactance conditions LP Castro, AM Simões AIP Conference Proceedings 1493 (1), 904-910, 2012 | 3 | 2012 |

Convertible Subspaces of Hessenberg-Type Matrices HF Da Cruz, II Rodrigues, R Serôdio, A Simões, J Velhinho Mathematics 5 (4), 79, 2017 | 2 | 2017 |

A transmission problem for the Helmholtz equation with higher order boundary conditions AM SIM | 2 | 2015 |

On the Solvability of a Problem of Wave Diffraction by a Union of a Strip and a Half‐Plane LP Castro, AM Simões AIP Conference Proceedings 1301 (1), 85-96, 2010 | 2 | 2010 |