Аннотация:Within the Stokes film approximation, unsteady plane-parallel spreading of a thin layer of a
heavy non-Newtonian fluid along an inclined solid surface is studied. The forced spreading
regime induced by mass supply is considered. An evolution equation for the film thickness is
derived not taking into account surface tension. The group classification problem is solved.
Self-similar solution is constructed for the power time dependence on mass supply.