Wormholes supported by polytropic phantom energyMubasher Jamil, Peter K. F. Kuhfittig, Farook Rahaman and Sk. A. RakibEur. Phys. J. C, 67 3-4 (2010) 513-520DOI: https://doi.org/10.1140/epjc/s10052-010-1325-3