01409nam a22003614i 4500991001841219707536121009s2008 riuac b 010 0 eng d9780821847381b14079264-39ule_instDip.to Matematica e Fisicaeng515.722223AMS 47-06AMS 47F05AMS 81-06LC QC20.7.S64S648Spectral theory of differential operators :M. Sh. Birman 80th anniversary collection /T. Suslina, D. Yafaev, editorsProvidence, R. I. :American Mathematical Society,c2008viii, 299 p. :ill., port. ;26 cmAmerican Mathematical Society Translations,0065-9290 ;Ser.2, v.225Advances in the mathematical sciences ;62Includes bibliographical referencesSpectral theory (Mathematics)Differential operatorsDifferential equations, PartialSuslina, T.Yafaev, D.Birman, M. Sh..b1407926413-11-1209-10-12991001841219707536LE013 47-XX SUS11 (2008)12013000150802le013pE110.00-l- 00000.i1545310806-11-12Spectral theory of differential operators240403UNISALENTOle01309-10-12ma -engriu00