Affiliations
- 1 Institute for Groundwater Studies, University of the Free State, Bloemfontein 9300, South Africa
- 2 Department of Mathematics and Institute for Mathematical Research, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
- 3 Department of Mathematical Sciences, North-West University, Mafikeng Campus, Mmabatho 2735, South Africa
- 4 Department of Mathematical Engineering, Yildiz Technical University, 34210 Istanbul, Turkey
- 5 Department of Mathematics, National Institute of Technology, Rourkela, Orissa 769 008, India
- 6 Mathematics Department, Faculty of Science, Alexandria University, Alexandria 21526, Egypt
PMID: 25013849
DOI: 10.1155/2014/249717
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.