%0 Journal Article
%A Ruishi Kuwabara
%T On the characterizations of flat metrics by the spectrum.
%J Commentarii mathematici Helvetici
%D 1980
%P 427-444
%V 55
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1980__55_139837/
%F CMH_1980__55_139837