TY - BOOK AU - Klingenberg,Wilhelm AU - ill. TI - Lectures on closed geodesics T2 - Series of Comprehensive Studies in Mathematics; 250 SN - 0387083936 AV - MATH QA649.K54 CY - Berlin KW - 1 KW - Riemannian manifolds N1 - Bibliogrpaphy: p. [219]-224 Includes index ER -