Eigenvalues associated with a closed geodesic

Victor Guillemin, Alan Weinstein
1976 Bulletin of the American Mathematical Society  
Communicated by I. M. Singer, September 15, 1974 corresponding to a single closed geodesic 7. For stable 7, this contribution is a series of ô-functions at locations which are presumably approximate eigenvalues; AMS (MOS) subject classifications (1970). Primary 35P20.
doi:10.1090/s0002-9904-1976-13972-9 fatcat:uerzat2iejgpjdrb2kcb3up74q