[1] K. Nomizu:
Lie groups and differential geometry. Mathematical Society Japan, Tokyo, 1956.
MR 0084166 |
Zbl 0071.15402
[2] S. Sasaki:
A global formulation of the fundamental theorem of the theory of surfaces in threedimensional Euclidean space. Nagoya Math. J., 13, 1958.
DOI 10.1017/S0027763000023503 |
MR 0097085
[3] S. Sasaki:
On the differential geometry of tangent bundles of Riemannian manifolds. Tohôku Math. J., Vol. 10/1958.
MR 0112152 |
Zbl 0086.15003