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Assistant professor (Retired) tdast@znu.ac.ir tdast@yahoo.com URL http://www.znu.ac.ir/members/dastjerdi-mohammadtaghi Tell +98 (0) 24 3305 4043 Fax +98 (0) 24 3228 3203 Address Room c12, Third floor, Department of mathemathics , Faculty of science , Zanjan University, Zanjan, Iran, P.O.Box 45195-313, Zanjan, IRAN |