The research topic of the project is the appearance of neutron stars in the state of subsonic propeller. Davies, Fabian and Pringle (1979) and Davies and Pringle (1981) were first who recognized the presence of this state and incorporated it into the evolutionary track of neutron stars. An improvement of their model recently suggested by Ikhsanov (2001a,2001b, 2002, 2003) represents an indirect ju ...