M. G. Murtaza and  E. E. Tzirtzilakis and  M. Ferdows,  Similarity Solutions of Nonlinear Stretched Biomagnetic Flow and Heat Transfer with Signum Function and Temperature Power Law Geometries.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 134(2). 24 - 29
    [viewed 19 November 2019]. Available from: https://publications.waset.org/pdf/10008516.