Comment on the paper “Marangoni convective MHD flow of SWCNT and MWCNT nanoliquids due to a disk with solar radiation and irregular heat source, B. Mahanthesh, B. J. Gireesha, N.S. Shashikumar, S.A. Shehzad, Physica E 94 (2017) 25-30”

The present comment concerns some doubtful results included in the above paper.