@article{1214435653, author = {Croke, Christopher B.}, title = {Some new Riemannian invariants}, journal = {J. Differential Geom.}, volume = {15}, number = {1}, year = {1980}, pages = { 443-466}, language = {en}, url = {http://dml.mathdoc.fr/item/1214435653} }
Croke, Christopher B. Some new Riemannian invariants. J. Differential Geom., Tome 15 (1980) no. 1, pp. 443-466. http://gdmltest.u-ga.fr/item/1214435653/