01291nam a2200325 i 450099100136608970753620020507192147.0931123s1987 uk ||| | eng 0521284430b10837516-39ule_instLE01311166ExLDip.to Matematicaeng515.7242AMS 47AQA329.4.C67Cordes, H. O.441207Spectral theory of linear differential operators and comparison algebras /H. O. CordesCambridge :Cambridge University Press,1987342 p. ;23 cmLondon Mathematical Society lecture note series,0076-0552 ;76Differential operatorsLinear operatorsSpectral theory.b1083751623-02-1728-06-02991001366089707536LE013 47A COR11 C.1 (1987)12013000074603le013-E0.00-l- 01010.i1094723128-06-02LE013 47A COR11 C.2 (1987)22013000074610le013-E0.00-l- 01010.i1094724328-06-02Spectral theory of linear differential operators and comparison algebras82545UNISALENTOle01301-01-93ma -enguk 02