On some results of third-grade non-Newtonian fluid flow between two parallel platesKamran Ayub, M. Yaqub Khan, Muhammad Ashraf, Jamshad Ahmad and Qazi Mahmood-Ul-HassanEur. Phys. J. Plus, 132 12 (2017) 552DOI: https://doi.org/10.1140/epjp/i2017-11821-1