@article{1255987325, author = {Ledger, A. J.}, title = {Naturally reductive Riemannian $S$-manifolds}, journal = {Illinois J. Math.}, volume = {36}, number = {4}, year = {1992}, pages = { 558-588}, language = {en}, url = {http://dml.mathdoc.fr/item/1255987325} }
Ledger, A. J. Naturally reductive Riemannian $S$-manifolds. Illinois J. Math., Tome 36 (1992) no. 4, pp. 558-588. http://gdmltest.u-ga.fr/item/1255987325/