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Article history: Received 10 May 2012 Received in revised form 9 December 2013 Accepted 15 December 2013 Available online 17 December 2013 Communicated by Jared Tanner
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ژورنال
عنوان ژورنال: Missouri Journal of Mathematical Sciences
سال: 2003
ISSN: 0899-6180
DOI: 10.35834/2003/1501036