@article{1214431797, author = {Chavel, Isaac}, title = {Geodesics and volumes in real projective spaces}, journal = {J. Differential Geom.}, volume = {8}, number = {3}, year = {1973}, pages = { 359-368}, language = {en}, url = {http://dml.mathdoc.fr/item/1214431797} }
Chavel, Isaac. Geodesics and volumes in real projective spaces. J. Differential Geom., Tome 8 (1973) no. 3, pp. 359-368. http://gdmltest.u-ga.fr/item/1214431797/