Journals / International Electronic Journal of Geometry / 2016 / Cilt: 9 - Sayı: 1Eigenvalue Rigidity in Nonnegative Ricci CurvatureMehmet BEKTAS, Mihriban KÜLAHCIJournalInternational Electronic Journal of GeometryIssue2016 · Cilt: 9 - Sayı: 1Pages57–61DOI—