@article{oai:ir.kagoshima-u.ac.jp:00009299,
 author = {AIKOU, Tadashi},
 journal = {鹿児島大学理学部紀要, Reports of the Faculty of Science, Kagoshima University},
 month = {Dec},
 note = {In the present paper, we are concerned with Riemannian manifolds with semi-parallel vector fields. In particular, we shall investigate hyperbolic spaces and give a characterization of them in terms of semi-symmetric metrical connection which is naturally obtained from a semi-parallel vector field.},
 pages = {1--10},
 title = {A note on Riemannian manifolds with semi-parallel vector fields : Dedicated to Professor Shoji Tsuboi on the occasion of his sixtieth birthday},
 volume = {36},
 year = {2003}
}