Iranian Mathematical Society (IMS) Bulletin of the Iranian Mathematical Society 1017-060X 38 1 2012 01 01 On the existence and uniqueness of solution of initial value problem for fractional order differential equations on time scales241 252 en A. Ahmadkhanlu Azarbayjan University of Tarbiat Moallem M. Jahanshahi Azarbayjan University of Tarbiat Moallem 2010 01 04 Time scales differential equations initial value problem fractional order derivative