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Affiliation(s)
- R.A. Borzooei
- Department of Mathematics, Shahid Beheshti University, G. C., Tehran, Iran
| | - F. Hosseini
- Department of Mathematics, Shahid Beheshti University, G. C., Tehran, Iran
| | - O. Zahiri
- University of Applied Science and Technology, Tehran, Iran
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2
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Affiliation(s)
- R.A. Borzooei
- Department of Mathematics, Shahid Beheshti University, Tehran, Iran
| | - W.A. Dudek
- Institute of Mathematics and Computer Science, Wroclaw University of Technology, Wroclaw, Poland
| | - A. Radfar
- Department of Mathematics, Payam Noor University, Tehran, Iran
| | - O. Zahiri
- Department of Mathematics, Shahid Beheshti University, Tehran, Iran
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