Fixed point theorem by using ψ–contraction and (ϕ,φ)–contraction in probabilistic 2–metric spaces
Abu-Donia, H.M., Atia, H.A., Khater, Omnia M.A.
Published in Alexandria engineering journal (01.06.2020)
Published in Alexandria engineering journal (01.06.2020)
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Journal Article
Inequalities and separation for the Laplace–Beltrami differential operator in Hilbert spaces
Zayed, E.M.E., Mohamed, A.S., Atia, H.A.
Published in Journal of mathematical analysis and applications (01.12.2007)
Published in Journal of mathematical analysis and applications (01.12.2007)
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Journal Article