01213nam a2200337 i 450099100136452970753620020507192127.0931008s1986 bl ||| | eng 8524400277b10837280-39ule_instLE01311143ExLDip.to Matematicaeng516.362AMS 58GAMS 58G25Bérard, Pierre H.54413Spectral geometry :direct and inverse problems /Pierre H. Berard ; with an appendix by G. BessonRio de Janeiro :IMPA (Instituto de Matematica Pura e Aplicada),1986viii, 271 p. ;23 cmMonografias de matematica ;41Parallel ed. - Berlin : Springer-Verlag, 1986Scattering theorySpectral geometrySpectral problemsBesson, Gérard.b1083728023-02-1728-06-02991001364529707536LE013 58G BER11 (1986:IMPA)12013000075662le013-E0.00-l- 00000.i1094696228-06-02Spectral geometry78497UNISALENTOle01301-01-93ma -engbl 01