Mathematical Inequalities & Applications · Volume 8, Issue 1 On first order differential inclusions with periodic boundary conditions 08-07 Pages 71-78 DOI 10.7153/mia-08-07 Downloads Short PDF Full PDF PNG Authors Mouffak Benchohra Sotiris K. Ntouyas Keywords periodic boundary value problem convex multivalued map condensing map fixed point truncation map upper and lower solutions Subject classes 34A60 34G25