Note on "Unsteady MHD flow due to non-coaxial rotations of a porous disk and a fluid at infinity", by T. Hayat et al., Acta Mech. 151, 127-134 (2001)
arXiv:1905.03342
Abstract
The cited article contains a serious flaw. A remedy is found in articles by other authors.
arXiv comment19 references