Effects of lubricated surface in the oblique stagnation point flow of a micro-polar fluid K. Mahmood, M. Sajid, N. Ali and M. N. Sadiq Eur. Phys. J. Plus, 132 7 (2017) 297 Published online: 06 July 2017 DOI: 10.1140/epjp/i2017-11572-y