00970nam a2200289 i 450099100136648970753620020507192153.0960916s1962 us ||| | eng b10837590-39ule_instLE01311174ExLDip.to Matematicaeng515.722AMS 47ALorch, Edgar R.48889Spectral theory /Edgar Raymond LorchNew York :Oxford Univ. Press,1962158 p. ;22 cmUniversity texts in the mathematical sciencesIncludes bibliographyLinear operatorsSpectral theory.b1083759023-02-1728-06-02991001366489707536LE013 47A LOR11 (1962)12013000059846le013-E0.00-l- 00000.i1094732228-06-02Spectral Theory339390UNISALENTOle01301-01-96ma -engus 01