01395nam2-2200409li-450 99000021396020331620180312154817.03-540-16788-90021396USA010021396(ALEPH)000021396USA01002139620001109d1986----km-y0itay0103----baengGWSpectral geometrydirect and inverse problemsPierre H. Bérardwith an appendix by G. BessonBerlin [etc.]Springer Verlagcopyr. 1986XII, 272 p.ill.25 cmLecture notes in mathematics120700100212632001Lecture notes in mathematicsa collection of informal reports and seminarsedited by A. Dold, Heidelberg and B. Eckmann, Zürichautovalori (matematica)geometria riemannianateoria degli operatori516373Geometria di RiemannBérard,Pierre H.54413Besson,GSistema bibliotecario di Ateneo dell' Università di SalernoRICA990000213960203316510 LNM (1207)0012066BKSCI1990090520001110USA01171420020403USA011629PATRY9020040406USA011615Spectral geometry78497UNISA