01235nam a2200337 i 450099100136439970753620020507192125.0931008s1986 gw ||| | eng 3540167889b10837267-39ule_instLE01311141ExLDip.to Matematicaeng516.362AMS 58GAMS 58G25Bérard, Pierre H.54413Spectral geometry :direct and inverse problems /Pierre H. Berard ; with an appendix by G. BessonBerlin :Springer-Verlag,1986xiii, 272 p. ;24 cmLecture notes in mathematics,0075-8434 ;1207Parallel ed. - Rio de Janeiro : Instituto de Matematica Pura e Aplicada, (IMPA), 1986Scattering theorySpectral geometrySpectral problemsBesson, Gérard.b1083726723-02-1728-06-02991001364399707536LE013 58G BER11 (1986:SPRINGER)12013000128870le013-E0.00-l- 00000.i1094694928-06-02Spectral geometry78497UNISALENTOle01301-01-93ma -enggw 01