@article{GDZPPN002441675,
title = {Length spectrum invariants of Riemannian manifolds.},
journal = {Mathematische Zeitschrift},
volume = {212},
year = {1993},
pages = {311-352},
zbl = {0804.53068},
url = {http://dml.mathdoc.fr/item/GDZPPN002441675}
}
Popov, Georgi S. Length spectrum invariants of Riemannian manifolds.. Mathematische Zeitschrift, Tome 212 (1993) pp. 311-352. http://gdmltest.u-ga.fr/item/GDZPPN002441675/