The results of this article were presented at the Conference on “Frontiers of Quantum and Mesoscopic Thermodynamics”, 29 Julj-3 August 2013, Prague, Czech Republic, at the International Conference on Fractional Differentiation and its Applications, 23-25 June 2014, Catania, Italy and at the Jount Meeting of the German mathematical Society (DMV) and the Polish Mathematical Sociaty (PTM), 17-20 September 2014, Poznan, Poland.