@article{Back_Carmo_Hsiang_2009, title={On some fundamental equations of equivariant Riemannian geometry}, volume={40}, url={https://journals.math.tku.edu.tw/index.php/TKJM/article/view/601}, DOI={10.5556/j.tkjm.40.2009.601}, number={4}, journal={Tamkang Journal of Mathematics}, author={Back, Allen and Carmo, Manfredo P. Do and Hsiang, Wu-Yi}, year={2009}, month={Dec.}, pages={343–376} }