Birman, M S. Solomiak, M Z. Spectral theory of self-adjoint operators in Hilbert space - Boston D.Reidel Pub. 1986 - xvi, 301p. 22 cm. HB. - Mathematics and its applicationssoviet series . ISBN: 9027721793 Subjects--Uniform Titles: Selfadjoint operatorsHilbert space Dewey Class. No.: 515.7246 / BIR