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vls/2603nrwcece.visuallibrary.netvdSpectra of partial differential operatorsSchechter, MartinauttextbookAmsterdam [u.a.]North-Holland19862. ed.monographicengXIII, 310 S.by Martin SchechterLiteraturverz. S. 301 - 307Partieller DifferentialoperatorSpektraltheorie0-444-87822-XHT002827416North Holland series in applied mathematics and mechanics 14HT001239904290b 301/Sche19950410078633601 https://ce.visuallibrary.net//domainresource/static/graphics/connectors/viewerLogo.gif http://193.30.112.129:83/F/?func=find-c&ccl_term=ICS%3D078633601+X0001 https://ce.visuallibrary.net/id/108358 https://ce.visuallibrary.net/i3f/v20/108358/manifest https://ce.visuallibrary.net/proto_ftsearch/108358