01151nam a2200337 i 450099100136403970753620020507192120.0970609s1986 ne ||| | eng 044487822X (US)b10837206-39ule_instLE01311134ExLDip.to Matematicaeng512.2AMS 35PAMS 35P05QA329.2.A45Schechter, Martin13643Spectra of partial differential operators /Martin Schechter2nd edAmsterdam :North Holland,1986xiii, 310 p. ;23 cm.North Holland series in probability and applied mathematics ;142nd ed.Partial differential operatorsSpectral theory.b1083720623-02-1728-06-02991001364039707536LE013 35P SCH11 (1986)12013000003344le013-E0.00-l- 03030.i1094688328-06-02Spectra of Partial Differential Operators118448UNISALENTOle01301-01-97ma -engne 01