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Reza Maddahi Assistant Professor Faculty of Mathematics Najafabad branch Islamic Azad University Email: R.Maddahi{at}pco.iaun.ac.ir e-office link: http://vs.iaun.ac.ir/m3501 University Blvd. Najafabad, Isfahan Iran. Post code: 8514143131 Phone: +98 (31) 2291-111 Fax: +98 (31) 4229-1016 |