00882cam0-22003011i-450-99000122070040332120060217123537.0000122070FED01000122070(Aleph)000122070FED0100012207020001205d1965----km-y0itay50------baengDEy-------001yyLinear elliptic differential systems and eigenvalue problemsGaetano FicheraBerlinSpringer-Verlag1965Lecture notes in mathematics8Fichera,Gaetano<1922-1996>761ITUNINARICAUNIMARCBK990001220700403321C-20-(88179MA14-F-446809MA1MA135J45Linear elliptic differential systems and eigenvalue problems262795UNINA