On edge Co-PI indices

Subject Areas : International Journal of Industrial Mathematics

A. Arjomandfar ¹ , O. Khormali ²

1 - Islamic Azad University, Shahr-e Rey Branch, Tehran, Iran.
2 - Mathematics and Informatics Research Group, ACECR, Tarbiat Modares University, B.O. Box: 14115- 343, Tehran, Iran.

Received: 2013-11-14 Accepted : 2013-11-14 Published : 2014-01-01

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