By Elwakil S.   El-hanbaly A.   El-Shewy E.   El-Kamash I.   in Astrophysics and Space Science

ISSN:0004-640X|349|1|197-203

Springer Publishing Company ‎(2014)‎

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By Elwakil S.A.   Zahran M.A.   Abulwafa E.M.   in Chaos, Solitons and Fractals

ISSN:0960-0779|20|5|1113-1120

Elsevier‎(2004)‎

Access to resources Favorite 2.3599174