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Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt | 論文著者
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Abdel-Gawad Hamdy
Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt
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Osman Mohamed
Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt
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Elazab Nasser
Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt