01120nam0-22003731i-450-9900014990404033213-7643-6219-7000149904FED01000149904(Aleph)000149904FED0100014990420021212d2001----km-y0itay50------baengDEa---a---101yyPartial differential equations and spectral theoryPDE Conference in Clausthel GermanyM. Demuth, B.Basel,Birkhauserc2001x, 353 p.24 cmOparator Theory Advances and Applications126Equazioni differenziali parzialiCongressiTeoria spettraleCongressi515.3521Demuth,Michael60486Schulze,Bert-Wolfgang56222ITUNINARICAUNIMARCBK990001499040403321C-5-(12618486MA1MA135-9946-9981-99Partial differential equations and spectral theory377283UNINA