Volume 8, Issue 1 Mouffak Benchohra Sotiris K. Ntouyas On first order differential inclusions with periodic boundary conditions Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Mouffak Benchohra Sotiris K. Ntouyas Find more articles with the same keywords periodic boundary value problem convex multivalued map condensing map fixed point truncation map upper and lower solutions Find more articles with the same subject classes 34A60 34G25