@article{1029004684,
author = {Wu, Jyh Yang},
title = {Two metric invariants for Riemannian manifolds.},
journal = {Michigan Math. J.},
volume = {40},
number = {1},
year = {1993},
pages = { 201-208},
language = {en},
url = {http://dml.mathdoc.fr/item/1029004684}
}
Wu, Jyh Yang. Two metric invariants for Riemannian manifolds.. Michigan Math. J., Tome 40 (1993) no. 1, pp. 201-208. http://gdmltest.u-ga.fr/item/1029004684/