Separation Problem for Bi-Harmonic Differential Operators in L p − spaces on Manifolds

by H. A. Atia
Published 2019-08-01

Fixed point theorem by using ψ–contraction and (ϕ,φ)–contraction in probabilistic 2–metric spaces

by H.M. Abu-Donia, H.A. Atia, Omnia M.A. Khater
Published 2020-06-01