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K..A. Dib ,Simultaneous attainment of central indices ,Differentsial 'nye Uravneniya ,Vol. 10 , No. 12 , (1974) , pp. 2125 –2136 . |

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K.A. Dib ,Index stability and the coarse properties of n-th order linear differential equations ,Differentsial 'nye Uravneniya ,Vol. 11,No . 3, (1975),pp.429–444. |

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K .A. Dib , and A. H. Nasr , A remark on multiplication operators, Proc. Math . Phys . Soc . Egypt , Vol. No.43, (1977),pp 7-10. |

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K .A. Dib , A simple generalization of one of Perron 's theorems and application , Bull .Cal . Math . Soc . Vol. No. 72, (1980) , pp . 157–163. |

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K .A. Dib , About the integraly separated differential equations with compact operators , Fifth International Congress for Statistics , Computer Science , Social and Demographic Research ,29March – 3April , Ain Shams university , (1980),pp 69 –78. |

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K .A. Dib and N. E .
Weak fuzzy functions, Mansoura Science Bulletin ,
Special Issue Seventh Symposium of Topology and Applications, 25-27 July,(1989 ), pp83-95. |
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Nabil L. Youssef and k .A. Dib ,A new approach to fuzzy groupoids, Fuzzy Sets and System, 49:381-392(1992). |

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K .A. Dib ,N.Galhum and, A.A.M .Hassan ,Fuzzy
ring and fuzzy ideals,
Fuzzy Math:4 No.2(1996) 245-261. |

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K .A. Dib ,A.A.M .Hassan ,The fuzzy normal subgroups, Fuzzy Sets and System 98(1998),393–402. |

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K .A. Dib ,Fuzzy real numbers in fuzzy spaces ,Fuzzy Math.,8 No.3(2000)525–538. |

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