TY - BOOK AU - Besse, Arthur L AU - TI - manifolds all of whose geodesics are closed U1 - 514.76 PY - 1978/// CY - Berlin PB - Springer-Verlag KW - Trignometry KW - Co-ordinate geometry KW - Mathematics KW - Number theory KW - Set theory KW - Group theory KW - Mathematical sciences KW - Vectors ER -