On the stability of a fractional-order differential equation with nonlocal initial condition AMA El-Sayed, SA Abd El-Salam Electronic Journal of Qualitative Theory of Differential Equations 29, 1-8, 2008 | 53* | 2008 |

On the stability of some fractional-order non-autonomous systems SA Abd El-Salam, AMA El-Sayed EJQTDE 2007 (6), 1-14, 2007 | 25 | 2007 |

L_p- solution of weighted Cauchy-type problem of a diffre-integral functional equation AMA El-Sayed, SA Abd El-Salam Inter. J. Non. Sci. 5 (3), 2008 | 19 | 2008 |

Weighted Cauchy-type problem of a functional differ-integral equation AMA El-Sayed, SA Abd El-Salam EJQTDE 2007 (30), 2007 | 16 | 2007 |

Nonlocal boundary value problem of a fractional-order functional differential equation, AMA El-Sayed, SA Abd El-Salam Inter. J. of Non. Sci., 2009 | 15 | 2009 |

Solvability of a nonlocal boundary value problem of fractional-order differential equation AMA El-Sayed, SA Abd El-Salam Math. Sci. Res. J. 13 (1), 2009 | 2 | 2009 |

Weak solutions of a fractional-order nonlocal boundary value problem in refexive Banach spaces AMA El-Sayed, SA Abd El-Salam Дифференциальные уравнения и процессы управления, 30-40, 2008 | 1 | 2008 |

Coupled system of a fractional order differential equations with weighted initial conditions AMA El-Sayed, SA Abd El-Salam Open Mathematics 17 (1), 1737-1749, 2019 | | 2019 |

On some boundary value problems with nonlocal and periodic conditions SA Abd El-Salam Journal of the Egyptian Mathematical Society, 27-38, 2019 | | 2019 |

ON THE WEAK SOLUTION u∈ C1− α (I, E) OF A FRACTIONAL–ORDER WEIGHTED CAUCHY TYPE PROBLEM IN REFLEXIVE BANACH SPACES AMA El-Sayed, SA Abd El-Salam Fractional Differential Calculus 1 (9), 55-63, 2019 | | 2019 |

On two general nonlocal differential equations problems of fractional orders SA Abd El-Salam, FM Gaafar Malaya Journal of Matematik 3 (2018), 478-482, 2018 | | 2018 |

Solvability of some fractional-order three point boundary value problems AMA El-Sayed, SA Abd El-Salam Malaya Journal of Matematik, 390-395, 2018 | | 2018 |

On the existence of strongly continuous solution of a weighted Cauchy type problem of a fractional-order differential equation AMA El-Sayed, SA Abd El-Salam Journal of Fixed Point Theory 2017 (5), 2017 | | 2017 |