Fractional-order three-dimensional thin-film nanofluid flow on an inclined rotating disk Taza Gul, Muhammad Altaf Khan, Amer Khan and Muhammad Shuaib Eur. Phys. J. Plus, 133 12 (2018) 500 Published online: 10 December 2018 DOI: 10.1140/epjp/i2018-12315-4