JOURNAL OF DYNAMICAL AND CONTROL SYSTEMS, cilt.19, ss.405-420, 2013 (SCI-Expanded)
Let be a Young system. Assume that the accessible set (; x) of starting from x is locally and semi-locally simply connected by trajectories of . We prove that the covering space I"(; x) of p-monotonically homotopic trajectories is identified to the universal covering space of (; x).