01256nam a2200325 i 450099100102816970753620020507181913.0980216s1975 us ||| | eng 082181589Xb10791073-39ule_instLE01305950ExLDip.to Matematicaeng515.353AMS 34L05QA379.L4813Levitan, Boris Moiseevich48792Introduction to spectral theory :selfadjoint ordinary differential operators /B. M. Levitan, I. S. SargsjanProvidence, R. I. :American Mathematical Society,c1975xiii, 525 p. ;23 cm.Translations of mathematical monographs,0065-9282 ;39Transl. of: Vvedenie v spektral'nuiu teoriiu.Includes bibliographical referencesSpectral theorySargsjan, Ishkhan Saribekovich.b1079107323-02-1728-06-02991001028169707536LE013 34L LEV11 (1975)12013000096483le013-E0.00-l- 01010.i1089166328-06-02Introduction to spectral theory188834UNISALENTOle01301-01-98ma -engus 01