TY - BOOK AU - Hislop, P.D. AU - Sigal, I.M. TI - Introduction to spectral theory: : With applications to schrodinger operators T2 - Applied mathematical sciences SN - 0387945016 U1 - 515.7223 PY - 1996/// CY - New York: PB - Springer Verlag, KW - Geometry KW - Kato inequality KW - Linear operators KW - Math ER -