TY  - JOUR
AU  - Ruishi Kuwabara
TI  - On the characterizations of flat metrics by the spectrum.
JO  - Commentarii mathematici Helvetici
PY  - 1980
SP  - 427
EP  - 444
VL  - 55
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1980__55_139837/
ID  - CMH_1980__55_139837
ER  -