Distinguishing different classes of entanglement of three-qubit pure states Chandan Datta, Satyabrata Adhikari, Arpan Das and Pankaj Agrawal Eur. Phys. J. D, 72 9 (2018) 157 Published online: 13 September 2018 DOI: 10.1140/epjd/e2018-90199-2